Frequencies for first 10,000 rows of prov0550 variable in pos1997 dataset : free | standing | indicator | (asc) | Freq. Percent Cum. ------------+----------------------------------- | 9,466 94.66 94.66 Y | 534 5.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016