Frequencies for first 10,000 rows of prov2150 variable in pos1991 dataset : spec: | general | Freq. Percent Cum. ------------+----------------------------------- | 9,683 96.83 96.83 N | 171 1.71 98.54 Y | 146 1.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016