readTargets {limma}R Documentation

Read RNA Targets File

Description

Read a RNA targets file into dataframe.

Usage

readTargets(file="Targets.txt", path=NULL, sep="\t", row.names="FileName")

Arguments

file character string giving the name of the targets file.
path character string giving the directory containing the file. Can be omitted if the file is in the current working irectory.
sep the field separator character
row.names character string giving header of column from which to obtain row names

Details

The targets file is a text file with rows corresponding to microarrays and columns Cy3 and Cy5 specifying which RNA samples are hybridized to which channel of each microarray. Other columns are optional.

Value

Data frame usually including columns

Cy3 character vector giving names of RNA samples
Cy5 character vector giving names of RNA samples

Character columns are not converted to factors.

Author(s)

Gordon Smyth

See Also

An overview of LIMMA functions for reading data is given in 3.ReadingData.


[Package limma version 1.6.7 Index]