exprset.log {affycomp} | R Documentation

## Take log base 2 of Expression

### Description

Take log base 2 of the expression matrix in an `ExpressionSet`

### Usage

    exprset.log(exprset)

### Arguments

`exprset` | `ExpressionSet`

### Details

This functions takes log base 2 of the expression matrix in an `ExpressionSet`. Negatives are converted to the smallest non-negative entry.

### Value

An `ExpressionSet`

### Author(s)

Rafael A. Irizarry

[Package affycomp version 1.64.0 Index]