MAMA (version 2.1.0)

sd.filter: Microarray probes filtering

Description

Function to filter microarray probes according to standard deviation

Usage

sd.filter(data, cutoff = 0.5)

Arguments

data

expression matrix with probes in rows and samples in columns

cutoff

cutoff value for filtering

Value

• Expression matrix, probes with SD below cutoff are filtered out.

Examples

data(Singhdata)
data<-Singhdata$esets[[1]][1:1000,]
data.filtered<-sd.filter(data)
head(data.filtered)