| STANDARD Function | 
where matrix is any  matrix,
 matrix,  is the number of data points, and
 is the number of data points, and  is the number of variables.
 is the number of variables. 
The STANDARD function returns a standardized  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.
 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.