Take log base 2 of Expression

Description

Take log base 2 of the expression matrix in an ExpressionSet

Usage

1
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