Center Matrix

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Description

Centers a matrix.

Usage

1

Arguments

x

a matrix

Details

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

Value

The centered matrix.

Author(s)

John Kloke kloke@biostat.wisc.edu, Joseph McKean

See Also

scale

Examples

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

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