Frequencies for first 10,000 rows of prov2150 variable in pos1997 dataset : spec: | general | Freq. Percent Cum. ------------+----------------------------------- | 9,456 94.56 94.56 N | 324 3.24 97.80 Y | 220 2.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016