preProcessGeneST {ArrayTools}R Documentation

Proprocess genechip ST array

Description

Proprocess genechip ST array by taking the log2 of the expression value.

Usage

preProcessGeneST(object, offset = 1, rmControl = TRUE, output = FALSE, mydir = getwd())

Arguments

object an ExpressionSet.
offset The offset is added to the expression value to avoid log2(0) = -Inf.
rmControl Setting rmControl = TRUE to remove control probes.
output If output = TRUE, it will output the preprocessed data in the specified direcotry from the mydir argument.
mydir specifed directory to contain the output

Value

an ExpressionSet

Author(s)

Xiwei Wu, Arthur Li

Examples

   data(eSetExample)
   processedData <- preProcessGeneST(eSetExample)  

[Package ArrayTools version 1.2.1 Index]