rowScales {scrime}

Rowwise Scaling

Description

Scales each row of a matrix such that the values in this row have zero mean and a standard deviation of 1.

Usage

rowScales(X, add.stats = FALSE)

Arguments

X

a numeric matrix whose rows should be scaled. Missing values are allowed.

add.stats

should the rowwise means and standard deviations of X be returned?

Value

If add.stats = FALSE, a matrix of the same dimensions as X with a rowwise mean of zero and a rowwise standard deviation of 1. If add.stats = TRUE, a list containing this matrix and the rowwise means and standard deviations of the input matrix.

Author(s)

Holger Schwender, [e-mail]

See Also

rowCors

Examples

## Not run: 
# Generate a matrix containing data for 10 categorical 
# variables with levels 1, 2, 3.

mat <- matrix(sample(3, 500, TRUE), 10)

rowScales(mat)


## End(Not run)