POSDIR <matrix_file>,<criterion>
alters the orientation of the columns of <matrix_file>
to positive direction by using <criterion>.
Possible values of <criterion> are 1,2,3:
1: (default) If sum of squares of negative elements exceeds
that of positive ones in current column, change signs.
2: If the maximum element in current column is negative,
change signs.
3: If most of the elements in current column are negative,
change signs.
No results are printed in the edit field.
1 = More information on additional multivariate operations
M = More information on multivariate analysis
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