Mncn: Difference between revisions
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imported>Jeremy No edit summary |
imported>Scott |
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===See Also=== | ===See Also=== | ||
[[auto]], [[rescale]], [[scale]] | [[auto]], [[classcenter]], [[gscale]], [[gscaler]], [[medcn]], [[normaliz]], [[npreprocess]], [[polytransform]], [[regcon]], [[rescale]], [[scale]] | ||
Latest revision as of 09:11, 21 September 2011
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