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lmap (version 0.2.4)

procx: Helper function for pre-processing the predictors

Description

Continuous predictor variables are standardized - mean zero, standard deviation one. Categorical predictor variables are represented as dummy (0, 1) variables.

Usage

procx(X)

Value

Xoriginal

dichotomous indicator which predictor variables are dichotomous

X standardized matrix

mx averages of original variables

sdx standard deviation of original variables

Arguments

X

An N by P matrix with predictor variables