getColClasses: Construct colClasses vector for use within read.rg function

In CALIB: Calibration model for estimating absolute expression levels from microarray data

Description

Construct a colClasses vector, an argument in read.table used in read.rg

Usage

 getColClasses(cols,...)

Arguments

cols	a character vector of all columns to search against
...	accepts any character lists, character vectors or weight functions to match wanted columns against cols

Details

This is an internally called function by read.rg to create a colClasses vector used in read.table for fast loading of only required columns in read.rg

Value

Character. A named vector of classes to assumed for the columns. Possible values are NA (when type.convert is used), NULL (when the column is skipped).

Author(s)

Hui Zhao

References

getColClasses in limma package

Examples

allcnames <- c("Block","Column","Row","Name","ID", "F635 Mean","F532 Mean","Flag","Autoflag")
Annotation <- c("Block","Column")
Columns <- list(R="F635 Mean",G="F532 Mean")

getColClasses(allcnames, Annotation, Columns)

CALIB documentation built on Oct. 31, 2019, 3:45 a.m.