rowscale.matrix: Scale a matrix by row
In ribiosUtils: Utilities from and Interface to the Bioinfo-C (BIOS) Library

Description Usage Arguments Value Author(s) See Also Examples

Scaling a matrix by row can be slightly slower due to a transposing step.

1 2	## S3 method for class 'matrix' rowscale(x, center = TRUE, scale = TRUE)

`x`	An matrix
`center`	Logical, passed to `scale`. to `TRUE`
`scale`	Logical, passed to `scale`. `TRUE`

A matrix with each row scaled.

Jitao David Zhang <jitao_david.zhang@roche.com>

scale

mat <- matrix(rnorm(20), nrow=4)
rs.mat <- rowscale(mat)

print(mat)
print(rs.mat)
rowMeans(rs.mat)
apply(rs.mat, 1L, sd)

rowscale(mat, center=FALSE, scale=FALSE) ## equal to mat
rowscale(mat, center=TRUE, scale=FALSE)
rowscale(mat, center=FALSE, scale=TRUE)