R: Transform a vector of quantitative values to the...

nqrank {qtl} | R Documentation

## 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, kbroman@biostat.wisc.edu

### See Also

`rank`, `qnorm`, `transformPheno`

### Examples

    data(hyper)

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

[Package qtl version 1.41-6 Index]