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npsm (version 2.0.0)

centerx: Center Matrix

Description

Centers a matrix.

Usage

centerx(x)

Value

The centered matrix.

Arguments

x

a matrix

Author

John Kloke, Joseph McKean

Details

Returns a centered matrix, i.e., each column of the matrix is replaced by deviations from its column mean.

See Also

scale

Examples

Run this code
x <- cbind(seq(1,5,length=5),seq(10,20,length=5))
xc <- centerx(x)
apply(xc,1,mean)

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