Language Reference

STANDARD (matrix) ;

This function is supported by the IML procedure and the iml action.

The STANDARD function is part of the IMLMLIB library. The STANDARD function standardizes each column of an matrix. Each column of the input matrix is standardized to have a mean of zero and unit standard deviation, as shown in the following example:

use Sashelp.Class;
read all var _NUM_ into X[colname=varNames];
close Sashelp.Class;
stdx = standard( x );
print "Standardized Data", stdx[colname=varnames];