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nqrank

Transform a vector of quantitative values to the corresponding normal quantiles

Description

Transform a vector of quantitative values to the corresponding normal quantiles (preserving the mean and SD).

Usage

nqrank(x, jitter)

Arguments

x

A numeric vector
jitter

If TRUE, randomly jitter the values to break ties.

Value

A numeric vector; the input x is converted to ranks and then to normal quantiles.

Author(s)

Karl W Broman, broman@wisc.edu

See Also

rank, qnorm, transformPheno

Examples

data(hyper)

hyper <- transformPheno(hyper, pheno.col=1, transf=nqrank)
qtl

Tools for Analyzing QTL Experiments

v1.48-1
GPL-3
Authors
Karl W Broman <broman@wisc.edu> and Hao Wu, with ideas from Gary Churchill and Saunak Sen and contributions from Danny Arends, Robert Corty, Timothee Flutre, Ritsert Jansen, Pjotr Prins, Lars Ronnegard, Rohan Shah, Laura Shannon, Quoc Tran, Aaron Wolen, Brian Yandell, and R Core Team
Initial release
2021-03-24

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