stan function

standardize variables

Standardize variables. For each column, return mean 0 and mean value of sum of squares = 1.

stan(x, weights)

Arguments

• x: numeric variables, can be a matrix or vector
• weights: numeric positive vector of weights

Returns

A list with the following items. - x: standardized variables with each column: mean value 0 and mean value of sum of squares = 1.

• meanx: a vector of means for each column in the original x

• normx: a vector of scales for each column in the original x

Author(s)

Zhu Wang zwang145@uthsc.edu