col01scale: Matrix Scaling Utilities

In sfsmisc: Utilities from 'Seminar fuer Statistik' ETH Zurich

Matrix Scaling Utilities

Description

col01scale and colcenter (re)scale the columns of a matrix. These are simple one-line utilities, mainly with a didactical purpose.

Usage

colcenter (mat)
col01scale(mat, scale.func = function(x) diff(range(x)), location.func = mean)

Arguments

mat	numeric matrix, to rescaled.
scale.func, location.func	two functions mapping a numeric vector to a single number.

Value

a matrix with the same attributes as the input mat.

Author(s)

Martin Maechler

See Also

The standard R function scale().

Examples

## See the simple function definitions:

colcenter ## simply one line

col01scale# almost as simple

sfsmisc documentation built on Sept. 11, 2024, 6:53 p.m.