Frequencies for first 10,000 rows of prov1805 variable in pos1992 dataset : resident | program | approved by | ada | Freq. Percent Cum. ------------+----------------------------------- | 8,851 88.51 88.51 N | 1,136 11.36 99.87 Y | 13 0.13 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016