R: delete phenotypes from phdata

del.phdata {GenABEL} | R Documentation

## delete phenotypes from phdata

### Description

This function is used to delete certain phenotypes from phenotypic part (phdata) of an object of `gwaa.data-class`

### Usage

      del.phdata(data, what, all = FALSE)

### Arguments

`data` | an object of `gwaa.data-class`
`what` | which phenotypes (variables) to delete, expressed as (vector of) names (character) or integer (column of phdata data frame)
`all` | if 'all'=TRUE and 'what' is misisng, all phenotypes are deleted, and only the 'id' and 'sex' are kept

### Author(s)

Yurii Aulchenko

### Examples

    require(GenABEL.data)
    data(srdta)
    phdata(srdta)[1:5,]
    srdta <- del.phdata(srdta,"qt1")
    phdata(srdta)[1:5,]
    srdta <- del.phdata(srdta,all=TRUE)
    phdata(srdta)[1:5,]

[Package GenABEL version 1.8-0 Index]