screen_snps {geneSLOPE} | R Documentation |
Reading and screening SNPs from .raw file and
Description
Reading .raw file that was previously exported from PLINK - see details. Additional information about SNP mapping is read from .map file.
Usage
screen_snps(
rawFile,
mapFile = "",
phenotype,
pValMax = 0.05,
chunkSize = 100,
verbose = TRUE
)
Arguments
rawFile |
character, name of .raw file. |
mapFile |
character, name of .map file. |
phenotype |
numeric vector or an object of class |
pValMax |
numeric, p-value threshold value used for screening. |
chunkSize |
integer, number of snps that will be processed together. The bigger the chunkSize is, the faster function works but computer might run out of RAM. |
verbose |
if TRUE (default) information about progress is printed. |
Details
Exporting data from PLINK
To import data to R, it needs to be exported from
PLINK using the option "–recodeAD"
The PLINK command should therefore look like
plink --file input --recodeAD --out output
.
For more information, please refer to:
https://zzz.bwh.harvard.edu/plink/dataman.shtml
Value
object of class screeningResult
.