Download Table of Options Subset PED to GEN Conversion GEN to PED Conversion Merge Orient Version History Contact


GTOOL is a program for transforming sets of genotype data for use with the programs SNPTEST and IMPUTE.

GTOOL can be used to:

To see the parameters that GTOOL requires, type:


GTOOL can be run in one of five different modes which correspond to the functions listed above : Subset Mode (-S) , PED to GEN Conversion Mode (-P) , GEN to PED Conversion Mode (-G), Merge Mode (-M) and Orient Mode (-O).

GTOOL will read gzipped or non-compressed files at input. Output files will be gzipped if the main input data file (GEN or PED) is gzipped.