Frequencies for first 10,000 rows of prov2150 variable in pos1999 dataset : spec: | general | Freq. Percent Cum. ------------+----------------------------------- | 9,372 93.72 93.72 N | 370 3.70 97.42 Y | 258 2.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016