subsetting {limma}R Documentation

Subset RGList or MAList Objects

Description

Extract a subset of an RGList or MAList objects.

Usage

object[i, j]

Arguments

object object of class RGList or MAList
i,j elements to extract. i subsets the genes or spots while j subsets the arrays

Details

i,j may take any values acceptable for the matrix components of object. See the Extract help entry for more details on subsetting matrices.

Value

An RGList or MAList object holding data from the specified subset of genes and arrays.

Author(s)

Gordon Smyth

See Also

Extract in the base package.

3.ReadingData gives an overview of data input and manipulation functions in LIMMA.

Examples

M <- A <- matrix(11:14,4,2)
rownames(M) <- rownames(A) <- c("a","b","c","d")
colnames(M) <- colnames(A) <- c("A","B")
MA <- new("MAList",list(M=M,A=A))
MA[1:2,]
MA[1:2,2]
MA[,2]

[Package limma version 1.6.7 Index]