sd.filter: Microarray probes filtering

In MAMA: Meta-Analysis of MicroArray

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.

Author(s)

Ivana Ihnatova

Examples

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

MAMA documentation built on Jan. 15, 2017, 3:05 p.m.