wtVariables {limma}R Documentation

Read RGList from Image Analysis Output Files

Description

Extracts variable names from weight functions such as wtarea, wtflags, wtIgnore.Filter and user defined functions for fast loading in read.maimages.

Usage

wtVariables(x, fun)

Arguments

x A character vector of all columns to search against
fun A weight function to search for any of the possible columns in x

Details

This is an internally called function by getColClasses which constructs a colClasses vector for fast loading of only required columns in read.maimages

Value

Vector of columns required within read.maimages

Author(s)

Gordon Smyth

See Also

getColClasses read.table

Examples

searchcols <- c("area","Flags","Ignore Filter")
wtVariables(searchcols, wtarea)
wtVariables(searchcols, wtflags)
wtVariables(searchcols, wtIgnore.Filter)
rm(searchcols) # tidy up

[Package limma version 2.4.7 Index]