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**STANDARD(***matrix***)**

where *matrix* is any *n* ×*m* matrix, *n* is the
number of data points and *m* is the number of variables.

The STANDARD function returns a standardized *n* ×*m* matrix.
It standardizes each column of the input matrix,
so that the mean of each column is zero and
the standard deviation for each column is one.

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