[R] Extracting data from .zip file in WINDOWS version of package

From: Jain, Nitin <Nitin.Jain_at_pfizer.com>
Date: Wed 21 Dec 2005 - 04:19:51 EST


I am building a R-package for Genetics analysis. The accepted data is in pedigree (.ped) file format.

To load the data (say CAMP.ped) from "data" directory, I have a function "CAMP.R", which does the job. The package builds successfully in Linux (.tar.gz) and the data loads successfully by "data(CAMP)".

However, when I build the package in WINDOWS, the data directory is zipped, and the command "data(CAMP)" gives an error -
Error in readGenes(gfile = "CAMP.ped",....) Genotype file CAMP.ped does not exist.

While debugging "data(CAMP)", I found that only the file "CAMP.R" is extracted temporarily, and not the file "CAMP.ped" - which causes the error.

Linux version does not face this problem as the data directory is not zipped.

Could you please suggest a way around for this problem?



Nitin Jain, PhD
Non Clinical Statistics
Pfizer, Inc. (Groton, CT)
Bldg: 260, # 1451
Ph: (860) 686-2526 (Office)
Fax: (860) 686-6170

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