getSnpInfo: Function to retrieve the chromosome and the position of each SNP on a given Affymetrix SNP array
Description
This function retrieve the chromosome and position in bp of each SNP of a given Affymetrix SNP array.
This function use the pd.mapping50k.xba240, pd.mapping50k.hind240, pd.mapping250k.sty and pd.mapping250k.nsp package.
Usage
getSnpInfo(pkgname)
Arguments
pkgname
the chip type pd.mapping50k.xba240, pd.mapping50k.hind240, pd.mapping250k.sty or pd.mapping250k.nsp
Value
Return a data.frame with five columns : fsetid, dbsnp_rs_id, Chr, X and fragment_length corresponding to the fsetid, the rs_id, the chromosome,
the position on the chromosome and the PCR amplified fragment length respectively.