godecim − Randomly decimate a fraction of variable slices
godecim ranseed dfrac < candis_file
Godecim expects a Candis file with multiple variable slices on the standard input. It outputs the same file with a fraction "dfrac" of the input variable slices retained. The slices selected for deletion are chosen randomly. "Ranseed" is an integer that seeds the random number generator used for the decimation. Choose any legal integer value. Separate calls to godecim with the same value of ranseed result in the retention of the same set of variable slices. Changing ranseed results in a different random set of retained slices.
Godecim is useful for selecting a random subset of values used in regressions in order to test the robustness of regression results.
David Raymond