pwod {wateRmelon} | R Documentation

## Probe-Wise Outlier Detection

### Description

'P'robe-'W'ise 'O'utlier 'D'etection via interquartile ranges.

### Usage

    pwod(object, mul=4)

### Arguments

`object` | MethyLumiSet, RGChannelSet, MethylSet object or matrix containing betas.
`mul` | Number of interquartile ranges used to determine outlying probes. Default is 4 to ensure only very obvious outliers are removed.

### Details

Detects outlying probes across arrays in methylumi and minfi objects. Outliers are probable low MAF/SNP heterozygotes.

### Value

Returns supplied beta matrix with outlying probes coerced to NA

### Author(s)

Tyler Gorrie-Stone - tgorri@essex.ac.uk

### Examples

    library(wateRmelon)
    data(melon)
    cattle <- betas(melon)
    new.betas <- pwod(cattle, mul=4)

[Package wateRmelon version 1.22.1 Index]