Update README.md

README.md

 
-
 # Preprocessing package for cleaning and formating data for JASS
 
 This helper package convert heterogeneous GWAS summary statistic format to
 the IMPG input format.
 
-## Installation
-
-*Requirement* :
-
-## Usage
-
-Once installed the preprocessing can be launch in the following manner:
-
-
-
-## reference panel format:
-
-The user is expected to provide a reference panel with the following
-column naming and column types:
-
-| chr | pos | snp_id | ref | alt | MAF |
-|-----|-----|--------|-----|-----|-----|
-|1	|13116	|rs62635286 |	T|	G|	0.0970447|
-|1	|13118	|rs200579949 |A	|G	|0.0970447|
-|1	|14604	|rs541940975 |A	|G	|0.147564|
-|1	|14930	|rs75454623	|A	|G	|0.482228|
-
-***
-
-## Output format
-['rsID', 'pos', 'A0', "A1", "Z" ]
+The package is documented at http://statistical-genetics.pages.pasteur.fr/JASS_Pre-processing/
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