nqrank {qtl} | R Documentation |
Transform a vector of quantitative values to the corresponding normal quantiles (preserving the mean and SD).
nqrank(x, jitter)
x |
A numeric vector |
jitter |
If TRUE, randomly jitter the values to break ties. |
A numeric vector; the input x
is converted to ranks and then to
normal quantiles.
Karl W Broman, kbroman@biostat.wisc.edu
data(hyper) hyper <- transformPheno(hyper, pheno.col=1, transf=nqrank)