scale_object


SYNOPSIS

scale_object  [object_list | id_list=<comma/hyphen separated list | ALL | FILE; defaults to ALL>]  \
    [weight=<coefficient by whose square root both X and Y PLS matrix rows  \
    corresponding to the selected objects will be multiplied; defaults to 1.0 | RANDOM>]  \
    [file=<ASCII file from which weights will be read for selected objects>]


DESCRIPTION

The scale_object keyword is used to assign different weights to the objects of the currently loaded dataset, in order to perform a sample-weighted partial least squares regression as described, among others, by Xu and co-workers [1]. Namely, both X and Y PLS matrix rows corresponding to selected objects are multiplied by the square root of user-defined coefficients.
Two methods are available to assign such coefficients:

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Last update:
May 31. 2015 20:39:42

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