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The SKIPIF command is used to specify conditions under which observations are to be skipped. The observations will still be in the data and will be used in all GENR statements, but will not be used in estimation.

In general, the format is:


where expression is the expression to be evaluated. The observation will be skipped if the value of the expression is positive; otherwise, the observations is retained. To completely eliminate all SKIPIF commands in effect: DELETE SKIP$