Mncn

From Eigenvector Documentation Wiki

Contents 1 Purpose 2 Synopsis 3 Description 4 Options 5 See Also

Purpose

Mean center data matrices.

Synopsis

[mcx,mx,msg] = mncn(x,options)

Description

MNCN mean centers a matrix x and returns a matrix mcx with mean zero columns and a vector of means mx used to center the data. Optional input options is discussed below.

The output msg returns any warning messages.

Options

options = a structure array with the following fields.

• display: [ {'off'} | 'on'] Governs screen display.
• matrix_threshold: [.15] Error threshold based on fraction of missing data in whole matrix.
• column_threshold: [.25] Error threshold based on fraction of missing data in single column.

See Also

auto, classcenter, gscale, gscaler, medcn, normaliz, npreprocess, polytransform, regcon, rescale, scale