Thank you, KurtBremser. Yes, the variable city has five levels from 1 to 5. My log repeats the following 5 times.
NOTE: The input data set is subset by WHERE, OBS, or FIRSTOBS. This provides a completely separate analysis of the subset. It does not provide a statistically valid subpopulation or domain analysis, where the total number of units in the subpopulation is not known with certainty. If you want a domain analysis, you should include the domain variables in the TABLES request. NOTE: PROCEDURE SURVEYFREQ used (Total process time): real time 0.02 seconds cpu time 0.00 seconds
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