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options(shiny.sanitize.errors = FALSE)
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source("css/owncss.R")
source("Rfunctions/Data_Management.R")
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if (!require(devtools)) {
  install.packages('devtools')
  library(devtools)
}
if(!require(treeWeightD3)){
  devtools::install_git('https://gitlab.pasteur.fr/plechat/treeWeightD3')
  library(treeWeightD3)
}
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if (!require(scatterD3)) {
  devtools::install_github('aghozlane/scatterD3')
  library(scatterD3)
}
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if(!require(shinydashboard)){
  installed.packages("shinydashboard")
  library(shinydashboard)  
}
if(!require(shinythemes)){
  install.packages("shinythemes")
  library(shinythemes)
}
if(!require(shinyjs)){
  install.packages("shinyjs")
  library(shinyjs)  
}
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library(plotly)
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function(request) {
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sidebar <- dashboardSidebar(
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  useShinyjs(),
  inlineCSS(appCSS),
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#   tags$head(
#     tags$script(src = "custom.js")
#   ),
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  div(id = "loading-content-bar",
      p()),
  div(
    id = "app-content-bar",
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  sidebarMenu(id = "side",
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    menuItem("Home", tabName = "Home", icon = icon("home")),
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    menuItem("Tutorial", tabName = "Tutorial", icon = icon("book")),
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    menuItem("Download/Install", tabName = "Download", icon = icon("download")),
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    menuItem("Upload your data", tabName = "Upload", icon = icon("upload")),
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    # bookmarkButton(),
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logo    
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    menuItemOutput("dymMenu"),
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    img(src = "logo.jpg", height = 49, width = 220,style="position:absolute;bottom:0;margin:0 0 15px 10px;")
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  )
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  )
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)

body <- dashboardBody(
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  tags$style(type="text/css", Errorcss),
  
  useShinyjs(),
  inlineCSS(appCSS),
  div(
    id = "loading-content",
    br(),
    br(),
    br(),
    h2("Please wait while SHAMAN is loading...")),
  div(
    id = "app-content-bar",
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  tabItems(
    tabItem(tabName = "Home",
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            fluidRow(
              column(width=9,
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            div(style="width:100% ; max-width: 1200px",
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              tabBox(title="Welcome to SHAMAN", id="tabset1", width=NULL,
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                   tabPanel("About", tags$script(type="text/javascript", language="javascript", src="google-analytics.js"),
                            p("SHAMAN is a SHiny application for Metagenomic ANalysis including the normalization,
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                                       the differential analysis and mutiple visualization.",style = "font-family: 'times'; font-si16pt"),
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                            p("SHAMAN is based on DESeq2 R package", a("[Anders and Huber 2010]", href="http://www.ncbi.nlm.nih.gov/pubmed/20979621"), "for the analysis of metagenomic data, as suggested in", a("[McMurdie and Holmes 2014,",href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3974642/"),a("Jonsson2016]",href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4727335/"),
                              ". SHAMAN robustly identifies the differential abundant genera with the Generalized Linear Model implemented in DESeq2", a("[Love 2014]", href="http://www.ncbi.nlm.nih.gov/pubmed/25516281"),".
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                              Resulting p-values are adjusted according to the Benjamini and Hochberg procedure [Benjamini and Hochberg 1995].
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                              The PCOA is performed with the", a("ade4 R package",href="http://pbil.univ-lyon1.fr/ade4/"), "and plots are generated with", a("ggplot2",href="http://ggplot2.org/"), "or", a("D3.js packages",href="http://d3js.org/"), ".
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                              A presentation about SHAMAN is available", a("here",target="_blank",href="shaman_presentation.pdf")," and a poster", a("here.",target="_blank",href="shaman_poster.pdf"), br(),
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                              "SHAMAN is compatible with standard formats for metagenomic analysis. We also provide a complete pipeline for OTU picking and annotation named",a("MASQUE", href="https://github.com/aghozlane/masque") ,"used in production at Institut Pasteur.",style = "font-family: 'times'; font-si16pt"),
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                            p("Hereafter is the global workflow of the SHAMAN application:"),
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                            div(img(src = "Workflow.png",width = "100%",style="max-width: 600px"),Align="center")
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                            ),
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                   tabPanel("Authors", h3("The main contributors to SHAMAN:"),
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                            p(a("Stevenn Volant", href="mailto:stevenn.volant@pasteur.fr"), "(Initiator, coding, testing, documentation, evaluation)"),
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                            p(a("Amine Ghozlane",href="mailto:amine.ghozlane@pasteur.fr"), "(Coding, testing, documentation, evaluation, packaging)"),
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                            p(a("Hugo Varet",href="mailto:hugo.varet@pasteur.fr"), "(Coding, testing, feature suggestions)"),
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                            p(a("Christophe Malabat",href="mailto:christophe.malabat@pasteur.fr"), "(Packaging)"), 
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                            p(a("Marie-Agnès Dillies",href="mailto:marie-agnes.dillies@pasteur.fr"), "(Evaluation)"),
                            p(a("Sean Kennedy",href="mailto:sean.kennedy@pasteur.fr"), "(Evaluation)"),
                            h3("Acknowledgements"),
                            p("Thanks to the following people for patches and other suggestions for improvements:"),
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                            p(a("Pierre Lechat, ",href="mailto:pierre.lechat@pasteur.fr"),a("Julien Tap, ",href="mailto:julien.tap@danone.com"),a("Anna Zhukova, ",href="mailto:anna.zhukova@pasteur.fr"), a("Rachel Torchet",href="mailto:rachel.torchet@pasteur.fr"))
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                          ),
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                   tabPanel("Citing SHAMAN",
                   p("No papers about SHAMAN have been published yet, but a manuscript is in preparation.",style = "font-family: 'times'; font-si16pt"),
                   p("Publication using SHAMAN :",style = "font-family: 'times'; font-si18pt; font-style: strong"),
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                   p(a("A bacteriocin from epidemic Listeria strains alters the host intestinal microbiota to favor infection.", href="http://www.ncbi.nlm.nih.gov/pubmed/27140611"), "Quereda JJ, Dussurget O, Nahori MA, Ghozlane A, Volant S, Dillies MA, Regnault B, Kennedy S, Mondot S, Villoing B, Cossart P, Pizarro-Cerda J.; PNAS 2016",style = "font-family: 'times'; font-si16pt"),
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                   p("If you have any comments, questions or suggestions, or need help to use SHAMAN, please contact authors", a("here", href="mailto:shaman@pasteur.fr"),".", style = "font-family: 'times'; font-si16pt; color:red")
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            )))),
              column(width=3,
            box(
              title = "What's new in SHAMAN", width = NULL, status = "primary",
              div(style = 'overflow-y: scroll; max-height: 400px',
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                  addNews("Oct 12th 2016","Filtering step and bugs fix","You can now apply a filter on the features according to their abundance 
                          and the number of samples. Bugs on confidence intervals for the alpha diversity have been fixed"),
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                  addNews("Sep 21th 2016","SHAMAN on docker","The install of SHAMAN is now available with docker.
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                           The R install is also updated and passed in release candidate state."),
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                  addNews("Sep 14th 2016","Download and install SHAMAN","You can install SHAMAN (beta)."),
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                  addNews("Sep 9th 2016","PCA/PCOA","You can select the axes for the PCOA and PCA plots."),
                  addNews("Aug 1st 2016","Biom format","SHAMAN can now support all the Biom format versions."),
                  addNews("Jun 24th 2016","Comparisons plots","The venn diagram and the heatmap of foldchange 
                                                                have been added to compare the results of 2 or more contrasts"),
                  addNews("Jun 17th 2016","Diversity plots","Enhancement of the visualtisation of the diverties. 
                                                              The shanon and inv. shanon have been added")
                  )
            )
              )
              )
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    ),
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    tabItem(tabName = "Tutorial",
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            div(style="width:100% ; max-width: 1200px",
            tabBox(title="How to use SHAMAN", id="tabset1", width =NULL,
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            tabPanel("Introduction",
            p(" You can test SHAMAN with the dataset from", a("[Tap et al. 2015]",href="http://www.ncbi.nlm.nih.gov/pubmed/26235304"),
              ", which is available", a("here",target="_blank",href="Alimintest.zip"),"."),
            p("The zip archive contains 4 different files :", br(),
              "- the otu count matrix : Alimintest_otu_table.csv,", br(),
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              "- the otu annotation table : Alimintest_otu_annotation.csv,", br(),
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              "- the experimental design : Alimintest_target.csv,", br(),
              "- the contrast table : Alimintest_contrasts.csv."),
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            p("Two groups of person follow two  strict diet periods that involve the intake of 40g following 10g of fiber per day, or 10g of fiber after a 40g fiber intake period:"),
            img(src = "tutorial/FigS1.png",width = "100%",style="max-width: 900px"),
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            p("The 16S rRNA (V3 - V4 regions) from fece samples was sequenced at time stamp : 2, 3, 4 and 5.", br(),
              "The analysis will consider the different impact of the different fiber intake and the comparison to patient metabolic data.")),
            tabPanel("1-Load 16S data",
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            p("The first step consists to load the count table and the annotation table as follow :"),
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            p("- Select 'Upload your data'", br(),
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              "- Load the count table :",br(), img(src = "tutorial/tutorial_upload1.png",width = "100%",style="max-width: 900px"),hr(),
              "- Load the annotation table :", br(), img(src = "tutorial/tutorial_upload2.png",width = "100%",style="max-width: 900px"),hr(),
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              "- When successfully loaded, the tables are accessible as bellow :",br(),
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              img(src = "tutorial/tutorial_upload3.png",width = "100%",style="max-width: 600px"),img(src = "tutorial/tutorial_upload4.png",width = "100%",style="max-width: 600px"))),
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            tabPanel("2-Differential analysis",
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            p("The second step consists to load the experimental design and the contrast table as follow :"),
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            p("- Select 'Run differential analysis'",br(),
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              "- Load the target file :",br(),img(src = "tutorial/tutorial_target.png",width = "100%",style="max-width: 800px"),hr(),
              "- Identify the taxonomy level where the analysis will be performed :",br(),img(src = "tutorial/tutorial_target1.png",width = "100%",style="max-width: 800px"),hr(),
              "- Identify the interactions :",br(),img(src = "tutorial/tutorial_target2.png",width = "100%",style="max-width: 800px"),hr(),
              "- Run the analysis :",br(),img(src = "tutorial/tutorial_target3.png",width = "100%",style="max-width: 800px"),hr(),
              "- When successfully loaded, the tables are accessible as bellow :",br(),img(src = "tutorial/tutorial_target4.png",width = "100%",style="max-width: 800px")),hr(),
            p("- Finally, load the contrast file :",br(),img(src = "tutorial/tutorial_contraste.png",width = "100%",style="max-width: 800px"),hr(),
              "- Contrasts can be visualized as follow :",br(),img(src = "tutorial/tutorial_contraste1.png",width = "100%",style="max-width: 400px"))),
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            tabPanel("3-Diagnostic plots",
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            p("'Diagnostic plots' section provides several visualizations to control the analysis",br(),
              "- Total mapped read count",br(),img(src="tutorial/tutorial_total_barplot.png",width = "100%",style="max-width: 900px"),hr(),
              "- Nul barplot count",br(),img(src="tutorial/tutorial_nul_barplot.png",width = "100%",style="max-width: 900px"),hr(),
              "- Maj taxonomy count",br(),img(src="tutorial/tutorial_maj_taxonomy.png",width = "100%",style="max-width: 900px"),hr(),
              "- Density of counts",br(),img(src="tutorial/tutorial_density.png",width = "100%",style="max-width: 900px"),hr(),
              "- Size factors vs total number of reads",br(),img(src="tutorial/tutorial_size_factor.png",width = "100%",style="max-width: 900px"),hr(),
              "- PCA",br(),img(src="tutorial/tutorial_pca.png",width = "100%",style="max-width: 900px"),hr(),
              "- PCOA",br(),img(src="tutorial/tutorial_pcoa.png",width = "100%",style="max-width: 900px"),hr(),
              "- Clustering",br(),img(src="tutorial/tutorial_clustering.png",width = "100%",style="max-width: 900px"))),
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            tabPanel("4-Tables",
                     p("'Tables' section provides the results of the differential analysis.
                       For one given contrast, we have:",br(),
                       "- The id of the given taxonomical level",br(),
                       "- The base mean is the mean normalized count for the given annotation of all samples.",br(),
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                       "- The fold-change is a mesure describing how much the abundance varies from one condition to an other. For instance, if the abundance is 100 in condition 1 and 200 for condition 2, the fold-change equals 100/200=0.5.",br(),
                       "- The log2 fold-change is the log2 value of the fold-change.",br(),
                       "- The p-value adjusted (padj) is the pvalue obtained by the Wald test and adjusted by Benjamini & Hochberg procedure (BH) or Benjamini & Yekutieli procedure (see linear model options).",
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            img(src = "tutorial/tutorial_table.png",width = "100%",style="max-width: 900px"))),
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            tabPanel("5-Visualization",
                     p("'Diagnostic plots' section provides several visualization to control the analysis",br(),
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                     "- Barplot",br(),img(src="tutorial/tutorial_barplot.png",width = "100%",style="max-width: 900px"),hr(),
                     "- Heatmap",br(),img(src="tutorial/tutorial_heatmap.png",width = "100%",style="max-width: 900px"),hr(),
                     "- Boxplot",br(),img(src="tutorial/tutorial_boxplot.png",width = "100%",style="max-width: 900px"),hr(),
                     "- Diversity",br(),img(src="tutorial/tutorial_diversity.png",width = "100%",style="max-width: 900px"),hr(),
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                     "- Rarefaction",br(),img(src="tutorial/tutorial_rarefaction.png",width = "100%",style="max-width: 900px"))),
            tabPanel("6-Other datasets available",
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            p("You can test SHAMAN with two other datasets : "),
            p("- Bacteriocin impact on mice microbiota from ", a("[Quereda et al. 2016]",href="http://www.ncbi.nlm.nih.gov/pubmed/27140611"), ":", a("here",target="_blank",href="listeria.zip"), br(),br(),
              
              "The project is divided into three group :  WT, Delta : Bacteriocin KO, Delta-complemented: Bacteriocin KO + complementation.", br(),
              "Three time points are considered :", br(),
              "- T0 : merged counts from -48H and -24H", br(),
              "- T2 : 6H after listeria infection", br(),
              "- T3 : 24H after listeria infection", br(),
              
              img(src="listeria.png",width = "100%",style="max-width: 500px"),br(),br(),
              
              "Analysis with SHAMAN:", br(),
              "Set variables: condition, time, mice", br(),
              "Set interactions:",
              "1. condition:mice", br(),
              "2. condition:time", br(),hr(),
              "- MOCK communities from ", a("[The NIH HMP Working Group, 2009]",href="http://www.ncbi.nlm.nih.gov/pubmed/19819907"), ":", a("here",target="_blank",href="mock.zip"),br(),
              "Mock communities are composed of 21 species mixed in even or staggered proportions :", br(),br(),
              img(src="mock.png",width = "100%",style="max-width: 600px"),br(),br(),
              "Analysis with SHAMAN: ",br(),
              "Set variables : Community", br(),
              "no interaction"))
              ))
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    ),
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    tabItem(tabName = "Download",
            fluidRow(
              column(width=9,
                     div(style="width:100% ; max-width: 1200px",
                         
                         tabBox(title="Download / Install SHAMAN", id="tabset1", width=NULL,
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                                tabPanel("Docker install",
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                                p("Docker install is the easiest way to use SHAMAN locally."),
                                p("- Install docker on ubuntu (Linux):",a("here",href="https://docs.docker.com/engine/installation/linux/ubuntulinux/")),
                                p("- Install docker on Windows and Mac:"),
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                                p("Download and install docker from",a("https://www.docker.com/", href="https://www.docker.com/"),
                                  "Then, you will need to install the", a("Docker toolbox.", href="https://www.docker.com/products/docker-toolbox"),
                                  "Once installed, run ‘Docker Quickstart Terminal’ application."),
                                p("- Running SHAMAN:"),
                                wellPanel(div(style = 'width: 400px',"docker run --rm -p 80:80 aghozlane/shaman")),
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                                p("Then connect to http://0.0.0.0/ with your favorite web navigator."),
                                p("Failed: port is already allocated ?"),
                                wellPanel(div(style = 'width: 400px',"docker run --rm -p 3838:80 aghozlane/shaman")),
                                p("Then connect to http://0.0.0.0:3838/."),
                                p("- Docker update after an update of SHAMAN:"),
                                wellPanel("docker pull aghozlane/shaman")
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                                ),
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                                tabPanel("R install (RC)",
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                                         p("SHAMAN is available for R>3.1.2. The installation, download and execution can all be performed with a small R script :",style = "font-family: 'times'; font-si16pt"),
                                         wellPanel(div(style = 'width: 400px',"# Load shiny packages",br(),
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                                           "if(!require('shiny')){",br(),"  install.packages('shiny')",br(),"  library(shiny)",br(),"}",br(),
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                                              br(),"# Install dependencies,",br(),"# download last version from github,",br(),"# and run SHAMAN in one command:",br(),"runGitHub('aghozlane/shaman')")),
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                                         p("This script can also be dowloaded", a("here", target="_blank", href="shamanapp.R"), "and executed as following :"),
                                         wellPanel("chmod +x ./shamanapp.R && Rscript ./shamanapp.R"),
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                                         p("Of note, the R version has an impact on the contrast definition. DESeq2 contrast are harder to define on R>3.2."),
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                                         p("Contribution to SHAMAN code are always welcome and can be performed with the", a("github deposit.",href="https://github.com/aghozlane/shaman"))
                                ))
                         )
                     )
              )
            ),
    
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    tabItem(tabName = "Upload",
            tags$style(type='text/css', ".well { max-width: 20em; }"),
            fluidRow(
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              column(width=3,valueBoxOutput("valueErrorPercent",width=NULL)),
              column(width=3,infoBoxOutput("InfoErrorCounts",width=NULL)),
              column(width=3,infoBoxOutput("InfoErrorTaxo",width=NULL))
            ),
            br(),
             fluidRow(
                box(title="Select your file format",width = 3,status = "success", solidHeader = TRUE,collapsible = FALSE,
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                  selectInput("FileFormat","",c("Count table & taxonomy (*.csv or *.tsv)"="fileCounts","BIOM file"="fileBiom"),selected="fileCounts")
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                ),
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                conditionalPanel(condition="input.FileFormat=='fileCounts'",
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                  box(title="Load the count table",width = 3,height = "260px", status = "primary", solidHeader = TRUE,collapsible = FALSE,
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                      fluidRow(
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                        column(width=6,radioButtons("TypeTable",h6(strong("Type:")),c("OTU/Gene table"="OTU","MGS table"="MGS"))),
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                        column(width=6,selectInput("sepcount", h6(strong("Separator:")),c("Tab" = "\t", "Comma" = ",","Semi-colon" = ";")))
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                      ),
                      fileInput('fileCounts', h6(strong('Select your file')),width="100%")
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                  ),
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                  box(title="Load the taxonomy file",width = 3,height = "260px", status = "primary", solidHeader = TRUE,collapsible = FALSE,
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                      fluidRow(
                        column(width=6,radioButtons("TypeTaxo",h6(strong("Format:")),c("Table"="Table","RDP"="RDP"))),
                        column(width=6,
                             conditionalPanel(condition="input.TypeTaxo=='RDP'",numericInput("RDP_th",h6(strong("Threshold:")),0.5,step=0.01,min=0.01,max=1))
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                        ),
                        column(width=6,
                               conditionalPanel(condition="input.TypeTaxo=='Table'",selectInput("septaxo", h6(strong("Separator:")),
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                                                    c("Tab" = "\t", "Comma" = ",", "Semicolon" = ";")))
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                               )
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                      ),
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                      fileInput('fileTaxo', h6(strong('Select your file')),width="100%")
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                  )
                  
                ),
                
                conditionalPanel(condition="input.FileFormat=='fileBiom'",
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                                 box(title="Load the BIOM file",width = 3, status = "primary", solidHeader = TRUE,collapsible = FALSE,
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                                     fileInput('fileBiom', h5(strong('Select your file')),width="100%")
                                 )           
                )
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             ),
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              column(12,uiOutput("TabBoxData"))

              
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  #### Statistical analysis

    tabItem(tabName = "RunDiff",
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            fluidRow(
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              column(width=3,valueBoxOutput("RowTarget",width=NULL)),
              #column(width=3,infoBoxOutput("RowTarget",width=NULL)),
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              column(width=3,infoBoxOutput("InfoTaxo",width=NULL)),
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              column(width=3,infoBoxOutput("InfoDESeq",width=NULL)),
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              column(width=3,infoBoxOutput("InfoContrast",width=NULL))
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            ),            
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            fluidRow(
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              column(width=5,
                box(title="Experimental design",width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed = FALSE,
                  fluidRow(
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                    column(width=5,fileInput('fileTarget', h6(strong('Select your target file')),width="100%")),
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                    column(width=3,selectInput("septarget", h6(strong("Separator:")), c("Tab" = "\t", "Comma" = ",", "Semicolon" = ";"))),
                    column(width=4,uiOutput("SelectTaxo"))
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                  ),
                  fluidRow( 
                    column(width=6,uiOutput("SelectInterestVar")),
                    column(width=6,uiOutput("SelectInteraction2")),
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                    column(width=6,uiOutput("RunButton"))
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                  )
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                ),
                uiOutput("BoxTarget"),
                uiOutput("BoxCountsMerge")
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              ),
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              column(width=7,
                box(title="Options",width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed = TRUE,
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                    tabBox(title="", id="tabsetOption", width=NULL,
                           tabPanel("Statistical model", 
                                    fluidRow(
                                      column(width=3,
                                             radioButtons("TransType",h6(strong("Type of transformation")),choices = c("VST"="VST","rlog"="rlog"))
                                      ), 
                                      column(width=3,
                                             radioButtons("IndFiltering",h6(strong("Independent filtering")),choices = c("True"=TRUE,"False"=FALSE))
                                      ),
                                      column(width=3,
                                             radioButtons("AdjMeth",h6(strong("p-value adjustement")),choices = c("BH"="BH","BY"="BY"))
                                      ),
                                      column(width=3,
                                             textInput("AlphaVal",h6(strong("Level of significance")),value=0.05)
                                      )
                                    ),
                                    fluidRow(
                                      column(width=3,
                                             radioButtons("CooksCutOff",h6(strong("Cooks cut-off")),choices = c("Auto"='Auto',"No cut-off"=Inf,"Value"="val")),
                                             conditionalPanel(condition="input.CooksCutOff=='val'",textInput("CutOffVal",h6("Cut-off:"),value=0))
                                      ),
                                      
                                      column(width=3,
                                             radioButtons("locfunc",h6(strong("Local function")),choices = c("Median"="median","Shorth"="shorth"))
                                      ),  
                                      column(width=3,
                                             radioButtons("fitType",h6(strong("Relationship")),choices = c("Parametric"="parametric","Local"="local"))
                                      )
                                      # column(width=3,uiOutput("RefSelect"))
                                    )
                           ),
                           tabPanel("Normalization", 
                                    fluidRow(
                                      column(width=3,
                                             selectizeInput("AccountForNA", h6(strong("Normalization method")),choices = c("Usual"="All", "Remove null counts"="NonNull", "Weighted"="Weighted"),selected = "NonNull")),
                                      column(width=3,
                                             uiOutput("SelectVarNorm")),
                                      column(width=3,
                                             fileInput('fileSizeFactors', h6(strong('Define your own size factors')),width="100%")
                                      ),
                                      column(width=3, selectInput("sepsize", h6(strong("Separator:")), c("Tab" = "\t", "," = "Comma", "Semicolon" = ";"))),
                                      column(width=3,br(),htmlOutput("InfoSizeFactor"))
                                    )
                           ),
                           tabPanel("Filtering",
                                    fluidRow(
                                      tags$div(title="If your count matrix is very sparse, you can add a filter on your data",
                                               column(width=3,checkboxInput("AddFilter","Add a filtering step",value = FALSE))
                                      )
                                    ),
                                    fluidRow(
                                      conditionalPanel(condition="input.AddFilter",
                                              column(width=6, 
                                                     plotlyOutput("Plot_ThSamp"),
                                                     column(width=10,uiOutput("ThSamp"),offset = 1)
                                                     ),
                                              column(width=6,
                                                     plotlyOutput("Plot_ThAb"),
                                                     column(width=10,uiOutput("ThAb"),offset = 1)
                                                     ),
                                              column(width=12,
                                                     scatterD3Output("Plot_Scatter_Filter")
                                              )
                                      )
                                    )
                           )
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                    )
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                ),
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                fluidRow(
                column(width=8,
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                        uiOutput("contrastBox"),
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                       uiOutput("contrastBoxAdvanced")
                       ),
                column(width=4,
                       uiOutput("contrastDefined")
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                )
                )
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              )
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            )
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    ),
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    tabItem(tabName = "DiagPlotTab",
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            fluidRow(
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              column(width=9,
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                     tags$head(tags$style(HTML(spincss))),
                     div(id = "plot-container",
                         tags$img(src = "gears.gif",id ="loading-spinner"),
                         plotOutput("PlotDiag",height="100%")
                     ),
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                br(),
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                conditionalPanel(condition="input.DiagPlot=='SfactorsVStot'",
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                  box(title = "Size factors",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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                    DT::dataTableOutput("SizeFactTable"),
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                    fluidRow( 
                      column(width=3,downloadButton('ExportSizeFactor', 'Export table')),
                      column(width=3,selectInput("sepsizef", h6(strong("Separator:")), c("Tab" = "\t", "Comma" = ",", "Semicolon" = ";")))
                    ),
                    tags$style(type='text/css', "#ExportSizeFactor { margin-top: 37px;}")
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                  )
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                ),
                  
                conditionalPanel(condition="input.DiagPlot=='pcaPlot'",
                                 box(title = "Eigen values",  width = 6, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= FALSE,
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                                    plotOutput("PlotEigen",height="100%")
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                                 )
                ),
                conditionalPanel(condition="input.DiagPlot=='pcoaPlot'",
                                 box(title = "Eigen values",  width = 6, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= FALSE,
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                                     plotOutput("PlotpcoaEigen",height="100%")
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                                 )
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                )
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              ),
              column(width=3,
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                box(title = "Select your plot",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = FALSE,collapsed= FALSE,
                  selectInput("DiagPlot","",c("Total barplot"="barplotTot","Nul barplot"="barplotNul",
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                                              "Maj. taxonomy"="MajTax","Boxplots" = "boxplotNorm", "Density"="densityPlot", "Dispersion" = "DispPlot",
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                                              "Size factors VS total"="SfactorsVStot", "PCA"="pcaPlot", "PCoA"="pcoaPlot","Clustering" = "clustPlot"))
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                    ),
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                box(title = "Options",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= FALSE,
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                    conditionalPanel(condition="input.DiagPlot!='clustPlot' && input.DiagPlot!='pcaPlot' && input.DiagPlot!='SfactorsVStot' && input.DiagPlot!='DispPlot'",
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                                     radioButtons("CountsType","Counts:",c("Normalized"="Normalized","Raw"="Raw"),inline = TRUE)
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                                     ),
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                    conditionalPanel(condition="input.DiagPlot=='boxplotNorm'",
                                    checkboxInput("RemoveNullValue","Remove 0",value = TRUE)
                                    ),
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                    conditionalPanel(condition="input.DiagPlot!='Sfactors' && input.DiagPlot!='SfactorsVStot' ",uiOutput("VarIntDiag")),
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                    conditionalPanel(condition="input.DiagPlot=='pcoaPlot' || input.DiagPlot=='pcaPlot'",
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                                     h5(strong("Select the modalities")),
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                                     uiOutput("ModMat"),
                                     fluidRow(
                                       column(width=5,uiOutput("PC1_sel")),
                                       column(width=2,br(),br(),p("VS")),
                                       column(width=5,uiOutput("PC2_sel"))
                                     )
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                                    ),
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                    conditionalPanel(condition="input.DiagPlot=='pcoaPlot' || input.DiagPlot=='SERE' || input.DiagPlot=='clustPlot' ",
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                                      selectInput("DistClust","Distance",c("euclidean", "SERE"="sere", "canberra", "bray", "kulczynski", "jaccard", 
                                                  "gower", "altGower", "morisita", "horn","mountford","raup","binomial",
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                                                  "chao","cao","mahalanobis"),selected="canberra")
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                                    )
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#                 conditionalPanel(condition="input.RadioPlotBi=='Nuage'",selectInput("ColorBiplot", "Couleur",choices=c("Bleue" = 'blue',"Rouge"='red',"Vert"='green', "Noir"='black'),width="50%")),
#                 sliderInput("TransAlphaBi", "Transparence",min=1, max=100, value=50, step=1),
#                 conditionalPanel(condition="input.RadioPlotBi!='Nuage'", radioButtons("SensGraphBi","Sens du graph",choices=c("Vertical"="Vert","Horizontal"="Hori"))),
#                 conditionalPanel(condition="input.RadioPlotBi=='box'", checkboxInput("CheckAddPointsBoxBi","Ajouter les données",value=FALSE)) 
               ),
                box(
                  title = "Appearance",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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#                     conditionalPanel(condition="input.DiagPlot=='Sfactors'",
#                                      h6(strong("Layout")),
#                                      numericInput("NbcolSfactors", h6("Columns"),min=1,value = NA)
#                     ),
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                  sliderInput("heightDiag", "Height",min=100,max=1500,value = 500,step =10),

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                  conditionalPanel(condition="input.DiagPlot=='clustPlot'",
                                   h6(strong("Layout")),
                                   selectInput("typeHculst", h6("Type"),c("Horizontal"="hori","Fan"="fan")),
                                   checkboxInput("colorHC","Add color",value=TRUE)
                  ),
                  conditionalPanel(condition="input.DiagPlot=='pcoaPlot'",  selectInput("labelPCOA","Label type",c("Group", "Sample"),selected="Group"),
                                   #checkboxInput("colorgroup","Same color for the group",value=FALSE),
                                   sliderInput("cexcircle", "Circle size",min=0,max=2,value = 0.9,step =0.1),
                                   sliderInput("cexpoint", "Point size",min=0,max=3,value = 1,step =0.1),
                                   sliderInput("cexstar", "Star height",min=0,max=1,value = 0.95,step =0.1)
                                   
                  ),
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                  conditionalPanel(condition="input.DiagPlot=='SfactorsVStot'",
                    checkboxInput("addLabelSFact","Add label",FALSE)
                  ),

                  fluidRow(
                    column(width=12, p(strong("Size"))),
                    column(width=6,sliderInput("cexTitleDiag", h6("Axis"),min=0,max=5,value = 1,step =0.1)),
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                    conditionalPanel(condition="input.DiagPlot=='SfactorsVStot' || input.DiagPlot=='pcaPlot' || input.DiagPlot=='pcoaPlot'",column(width=6,sliderInput("cexLabelDiag", h6("Points"),min=0,max=5,value = 1,step =0.1)))
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                  )

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#                   sliderInput("widthDiag", "width",min=100,max=1500,value = 1000,step =10)
                 
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              ),
              box(title = "Export",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
                  selectInput("Exp_format",h5(strong("Export format")),c("png"="png","pdf"="pdf","eps"="eps","svg"="svg"), multiple = FALSE),
                  fluidRow(
                  column(width=6,numericInput("heightDiagExport", "Height (in px)",min=100,max=NA,value = 500,step =1)),
                  column(width=6,numericInput("widthDiagExport", "Width (in px)",min=100,max=NA,value = 500,step =1))
                  ),
                  downloadButton("exportdiag", "Export")
                  
#                   downloadButton("exportPDFdiag", "Download pdf"),
#                   downloadButton("exportPNGdiag", "Download png"),
#                   downloadButton("exportEPSdiag", "Download eps"),
#                   downloadButton("exportSVGdiag", "Download svg"),
                  
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              )
            )
        )
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    ),
    tabItem(tabName = "TableDiff",
            fluidRow(
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              column(width=9,uiOutput("TabBoxDataDiff")),
              column(width=3,
                     box(title = "Select your contrast",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= FALSE,
                         selectInput("ContrastList_table",h6(strong("Contrast list")),"", multiple = FALSE),
                         htmlOutput("ContrastOverviewTable")
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                     ),
                     box(title = "Export",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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                         fluidRow(
                           column(width=8,selectInput("WhichExportTable", "Select the table to export",c("Significant"="Significant","Complete"="Complete","Up"="Up","Down"="Down"))),
                           column(width=4,selectInput("sepexpdiff", "Separator:", c("Tab" = "\t", "Comma" = ",", "Semicolon" = ";")))
                         ),
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                         uiOutput("ExportTableButton")   
                     )
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            )
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            ) 
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    ),
  
  #### Data Viz
  
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  tabItem(tabName = "GlobVisu",
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          fluidRow(
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            column(width=9,
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                   tags$head(tags$style(HTML(spincss))),
                   div(id = "plot-container",
                       conditionalPanel(condition="input.PlotVisuSelect=='Boxplot' || input.PlotVisuSelect=='Diversity' || input.PlotVisuSelect=='Rarefaction'",   
                                          tags$img(src = "gears.gif",id ="loading-spinner")
                                        ),
                       uiOutput("plotVisu")
                   ),
                   
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                   ### Regression and correlation outputs for the scatter plot
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                   conditionalPanel(condition="input.PlotVisuSelect=='Scatterplot' && input.AddRegScatter", 
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                                    fluidRow(
                                      column(width=6,
                                      br(),
                                      box(title = "Regression coefficients",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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                                          DT::dataTableOutput("lmRegScatter")
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                                      )
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                                    ),
                                    column(width=6,br(),htmlOutput("lmEquation"))
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                                    )
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                   ),
                   conditionalPanel(condition="input.PlotVisuSelect=='Scatterplot'",
                                    useShinyjs(),
                                    br(),
                                    p(actionButton("scatterD3-reset-zoom", HTML("<span class='glyphicon glyphicon-search' aria-hidden='true'></span> Reset Zoom")),Align="right"),
                                    box(title = "Correlation table",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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                                        DT::dataTableOutput("CorTable")
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                                    )
                   ),
                   
                   ## Values of the diversities
                   conditionalPanel(condition="input.PlotVisuSelect=='Diversity'",
                                    br(),
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                      box(title = "Diversity values",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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                          DT::dataTableOutput("Diversitytable"),
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                          fluidRow(
                            column(width=3,downloadButton('ExportDiversitytable', 'Export table')),
                            column(width=3,selectInput("sepdiversity", "Separator:", c("Tab" = "\t", "Comma" = ",", "Semicolon" = ";")))
                          ),
                          tags$style(type='text/css', "#ExportDiversitytable { margin-top: 37px;}")
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                      )
                   ) 
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                   ),
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            column(width=3,
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              box(title = "Select your plot",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = FALSE,collapsed= FALSE,
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                  selectizeInput("PlotVisuSelect","",c("Barplot"="Barplot","Heatmap"="Heatmap","Boxplot"="Boxplot","Tree"="Tree","Scatterplot"="Scatterplot","Diversity"="Diversity","Rarefaction"="Rarefaction"),selected = "Barplot")
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              ),
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              ########################################################################
              ###
              ###               Options Visualization
              ###
              ########################################################################
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              box(title = "Options",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= FALSE,
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                  conditionalPanel(condition="input.PlotVisuSelect!='Rarefaction' && input.PlotVisuSelect!='Scatterplot' ",
                                   uiOutput("VarIntVisu"),
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                                   h5(strong("Select the modalities")),
                                   uiOutput("ModVisu")
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                  ),
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                  conditionalPanel(condition="input.PlotVisuSelect=='Tree' ",
                                   uiOutput("VarIntVisuTree")),
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                  conditionalPanel(condition="input.PlotVisuSelect=='Scatterplot' ",
                                   uiOutput("VarIntVisuScatter"),
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                                   radioButtons("TransDataScatter","Data transformation",c("Log2 +1" = "log2","None" = "none"),inline=TRUE),
                                   hr(),
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                                   radioButtons("CorMeth","Correlation method",c("Pearson" = "pearson","Spearman" = "spearman"),inline=TRUE),
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                                   checkboxInput("AddRegScatter","Add regression line",FALSE)
                  ),                 
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                  conditionalPanel(condition="input.PlotVisuSelect!='Rarefaction' && input.PlotVisuSelect!='Diversity' && input.PlotVisuSelect!='Scatterplot' && input.PlotVisuSelect!='Tree'",
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                                   radioButtons("SelectSpecifTaxo","Select the features",c("Most abundant"="Most","All"="All", "Differential features" = "Diff", "Non differential features" = "NoDiff"))
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                  ),
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                  conditionalPanel(condition="input.PlotVisuSelect!='Rarefaction' && input.PlotVisuSelect!='Diversity' && input.PlotVisuSelect!='Scatterplot' && input.PlotVisuSelect!='Tree' && (input.SelectSpecifTaxo=='Diff' || input.SelectSpecifTaxo=='NoDiff') ",
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                                   selectizeInput("ContrastList_table_Visu","",choices = "", multiple = TRUE),
                                   radioButtons("UnionInterContrasts","Union or intersection ?",c("Union"="Union","Intersection"="Inter"),inline = TRUE)
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                  ),
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                  conditionalPanel(condition="input.PlotVisuSelect!='Rarefaction' && input.PlotVisuSelect!='Diversity' && input.PlotVisuSelect!='Scatterplot' && input.PlotVisuSelect!='Tree'",
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                                   uiOutput("TaxoToPlotVisu")
                  ),

                ##################
                ## BARPLOT
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Barplot'",
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                                 hr(),
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                                 selectizeInput(inputId = "CountsOrProp",label = h6(strong("Type of data")),choices = c("Proportions" = "prop", "Counts" = "counts"),selected = "prop")
                ),
                
                
                ##################
                ## HEATMAP
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Heatmap'",
                                 selectizeInput(inputId = "scaleHeatmap",label = h6(strong("Scale:")),choices = c("None" = "none", "Rows" = "row", "Column" = "col"),selected = "none")
                                 
                ),
                
                ##################
                ## BOXPLOT
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Boxplot'",
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                                 hr(),
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                                 selectizeInput("typeDataBox",h6(strong("Type of data")),c("Log2"="Log2","Relative"="Relative"))
                ),
                
                ##################
                ## DIVERSITY
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Diversity'",
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                                 selectizeInput("WhichDiv",h6(strong("Diversity")),c('Alpha','Beta','Gamma','Shannon','Simpson','Inv.Simpson'),selected  = c('Alpha','Shannon','Simpson','Inv.Simpson'),multiple=TRUE)
                ),
                conditionalPanel(condition="input.PlotVisuSelect=='Diversity'",
                                 uiOutput("SelectVarBoxDiv")
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                )
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              ),
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              ########################################################################
              ###
              ###               Appearance Visualization
              ###
              ########################################################################
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              box(title = "Appearance",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
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                sliderInput("heightVisu", h6(strong("Height")),min=100,max=4000,value = 800),
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                ##################
                ## BOXPLOT
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Boxplot'",
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                                 uiOutput("ColBoxplot"),
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                                 radioButtons("ScaleBoxplot","Scales",c("Fixed"="fixed","Free"="free"),inline=TRUE),
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                                 checkboxInput("CheckAddPointsBox","Add points",value=TRUE)
                ),
                ##################
                ## DIVERSITY
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Diversity'",
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                                 radioButtons("DivScale","Scales",c("Fixed"="fixed","Free"="free"),selected = "free",inline=TRUE),
                                radioButtons("DivAddError","Add Error bars",c("Add"="Add","Remove"="Remove"),selected = "Add",inline=TRUE)
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                ),
                ##################
                ## HEATMAP
                ##################
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                conditionalPanel(condition="input.PlotVisuSelect=='Heatmap'",
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                                 selectInput("colors", label=h6(strong("Gradient of colors")),choices = c("green-blue", "blue-white-red", "purple-white-orange", "red-yellow-green"),selected = "blue-white-red")
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                ),
                conditionalPanel(condition="input.PlotVisuSelect=='Heatmap'",
                                 fluidRow(
                                   column(width=12,h6(strong("Labels options"))),
                                   column(width=6,sliderInput("LabelSizeHeatmap", h6("Size"),min=0.1,max=2,value = 0.7,step = 0.1)),
                                   column(width=6,sliderInput("LabelOrientHeatmap", h6("Orientation"),min=0,max=90,value = 0,step = 5)),
                                   column(width=6,sliderInput("LabelColOffsetHeatmap", h6("Column offset"),min=0,max=4,value = 0,step = 0.5)),
                                   column(width=6,sliderInput("LabelRowOffsetHeatmap", h6("Row offset"),min=0,max=4,value = 0,step = 0.5)),
                                   column(width=12,h6(strong("Margins options"))),
                                   column(width=6,sliderInput("rightMargin", h6("Right"),min=0,max=20,value = 6,step = 1)),
                                   column(width=6,sliderInput("lowerMargin", h6("Lower"),min=0,max=20,value = 6,step = 1))
                                 )
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                ),
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                ##################
                ## Scatterplot
                ##################
                conditionalPanel(condition="input.PlotVisuSelect=='Scatterplot'",
                                 fluidRow(
                                   column(width=12,sliderInput("SizeLabelScatter", h6("Label size"),min=0,max=50,value = 10,step = 1))
                                  )
                ),
                
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                ##################
                ## ALL
                ##################
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                conditionalPanel(condition="input.PlotVisuSelect!='Rarefaction' && input.PlotVisuSelect!='Scatterplot' && input.PlotVisuSelect!='Tree'",
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                                 radioButtons(inputId = "SensPlotVisu",label = h6(strong("Orientation")),choices = c("Vertical" = "Vertical", "Horizontal" = "Horizontal"),selected = "Vertical",inline = TRUE)
                )
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              ),
              box(title = "Export",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
                  ##################
                  ## BARPLOT
                  ##################
                  conditionalPanel(condition="input.PlotVisuSelect=='Barplot'",
                                   radioButtons("positionBarPlot","Position",c("Grouped"="fill","Stacked"="dodge"),inline=TRUE)
                  ),
                  selectInput("Exp_format_Visu",h5(strong("Export format")),c("png"="png","pdf"="pdf","eps"="eps","svg"="svg"), multiple = FALSE),
                  fluidRow(
                    column(width=6,numericInput("heightVisuExport", "Height (in px)",min=100,max=NA,value = 500,step =1)),
                    column(width=6,numericInput("widthVisuExport", "Width (in px)",min=100,max=NA,value = 500,step =1))
                  ),
                  downloadButton("exportVisu", "Export")
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              )
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            )
          )
  ),

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  tabItem(tabName = "CompPlot",
          fluidRow(
            column(width=9,
                   uiOutput("plotVisuComp"),
                   conditionalPanel(condition="input.PlotVisuSelectComp=='Venn'",
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                                    DT::dataTableOutput("DataVenn")
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                   )
            ),
            column(width=3,
                   box(title = "Select your plot",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = FALSE,collapsed= FALSE,
                        selectizeInput("PlotVisuSelectComp","",c("Venn diagram"="Venn","Heatmap"="Heatmap_comp"),selected = "Heatmap_comp")
                   ),
                   box(title = "Options",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= FALSE,
                          selectizeInput("ContrastList_table_FC",h6(strong("Contrasts (Min = 2)")),choices = "", multiple = TRUE),
                          conditionalPanel(condition="input.PlotVisuSelectComp=='Heatmap_comp'",
                                          radioButtons("SelectSpecifTaxoComp","Select the features",c("Most abundant"="Most","All"="All", "Differential features" = "Diff", "Non differential features" = "NoDiff"))
                                          ),
                          conditionalPanel(condition="input.PlotVisuSelectComp=='Heatmap_comp' && (input.SelectSpecifTaxoComp=='Diff' || input.SelectSpecifTaxoComp=='NoDiff')",
                                          selectizeInput("ContrastList_table_VisuComp","",choices = "", multiple = TRUE),
                                          radioButtons("UnionInterContrastsComp","Union or intersection ?",c("Union"="Union","Intersection"="Inter"),inline = TRUE)
                                          ),
                          conditionalPanel(condition="input.PlotVisuSelectComp=='Heatmap_comp'",
                                          uiOutput("TaxoToPlotVisuComp"),
                                          selectizeInput(inputId = "scaleHeatmapComp",label = h6(strong("Scale:")),choices = c("None" = "none", "Rows" = "row", "Column" = "col"),selected = "none"),
                                          selectInput("SortHeatComp","Sort by:", c("Selection" ="Selection","Values" = "Values","Names"="Names","Auto"="Auto"))
                                          )
                    ),
                   
                   box(title = "Appearance",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
                       sliderInput("heightVisuComp", h6(strong("Height")),min=100,max=4000,value = 800),
                       
                       ##################
                       ## HEATMAP
                       ##################

                       conditionalPanel(condition="input.PlotVisuSelectComp=='Heatmap_comp'",
                                        radioButtons(inputId = "SensPlotVisuComp",label = h6(strong("Orientation")),choices = c("Vertical" = "Vertical", "Horizontal" = "Horizontal"),selected = "Vertical",inline = TRUE),
                                        fluidRow(
                                          column(width=12,h6(strong("Labels options"))),
                                          column(width=6,sliderInput("LabelSizeHeatmapComp", h6("Size"),min=0.1,max=2,value = 0.7,step = 0.1)),
                                          column(width=6,sliderInput("LabelOrientHeatmapComp", h6("Orientation"),min=0,max=90,value = 0,step = 5)),
                                          column(width=6,sliderInput("LabelColOffsetHeatmapComp", h6("Column offset"),min=0,max=4,value = 0,step = 0.5)),
                                          column(width=6,sliderInput("LabelRowOffsetHeatmapComp", h6("Row offset"),min=0,max=4,value = 0,step = 0.5)),
                                          column(width=12,h6(strong("Margins options"))),
                                          column(width=6,sliderInput("rightMarginComp", h6("Right"),min=0,max=20,value = 6,step = 1)),
                                          column(width=6,sliderInput("lowerMarginComp", h6("Lower"),min=0,max=20,value = 6,step = 1))
                                        )
                       )
                       
                    ),
                   conditionalPanel(condition="input.PlotVisuSelectComp!='Venn'",
                     box(title = "Export",  width = NULL, status = "primary", solidHeader = TRUE,collapsible = TRUE,collapsed= TRUE,
                         ##################
                         ## BARPLOT
                         ##################
                         selectInput("Exp_format_VisuComp",h5(strong("Export format")),c("png"="png","pdf"="pdf","eps"="eps","svg"="svg"), multiple = FALSE),
                         fluidRow(
                           column(width=6,numericInput("heightVisuExportComp", "Height (in px)",min=100,max=NA,value = 500,step =1)),
                           column(width=6,numericInput("widthVisuExportComp", "Width (in px)",min=100,max=NA,value = 500,step =1))
                         ),
                         downloadButton("exportVisuComp", "Export")
                     )
                   )
                   
                   
            )
          )
  ),

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  #### Krona plot
  tabItem(tabName = "Krona",
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         fluidRow(
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            column(width=3,
                   p(strong("Krona plot")),
                   img(src="Krona.png",height = 200, width = 220),
                   a(href = "test_krona.html",target="_blank", "Click Here!")
#                    tableOutput("krona") 

),
            column(width=3,
            p(strong("Tree abundance")),
            img(src="Tree.png",height = 200, width = 220),
            a(href = "http://genopole.pasteur.fr/SynTView/flash/TreeAbundance",target="_blank", "Click Here!")
            )
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        )
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 #includeHTML("file:///home/aghozlan/workspace/SHAMAN_App/www/text.krona.html")
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  )
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 )
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)
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)
  ## GOOGLE ANALYTIC
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 #tags$head(includeScript("google-analytics.js"))
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  ## Logo SHAMAN
  dbHeader <- dashboardHeader(title = "SHAMAN")
  dbHeader$children[[2]]$children <-  tags$a(tags$img(src='akuaku.png',height='40',width='50',style="margin:5px 0 5px 0;",align='left'), tags$h3("SHAMAN",style="font-family:Purisa; margin:15px 25px 5px 0;color:white;"))
  
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# Put them together into a dashboardPage
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    dashboardPage(skin="blue",
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    dbHeader,
    sidebar,
    body
  )
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}
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