ch3b {qtlbook} | R Documentation |
Anonymous data with markers showing severe segregation distortion.
ch3b
An object of class cross
. See qtl::read.cross()
for details.
An intercross with 144 individuals, each with one phenotype and typed at 145 markers.
Karl W Broman, broman@wisc.edu
Broman, K. W. and Sen, S. (2009) A Guide to QTL Mapping with R/qtl. Springer, New York.
data(ch3b)
library(qtl)
thetab <- geno.table(ch3b)
plot(-log10(thetab[,ncol(thetab)]), ylab=expression(-log[10](P)))
thetab[thetab[,ncol(thetab)] < 1e-6,]