Frequencies for first 10,000 rows of prov1820 variable in pos2008 dataset : resident | program | approved by | other | Freq. Percent Cum. ------------+----------------------------------- | 8,666 86.66 86.66 N | 1,190 11.90 98.56 Y | 144 1.44 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016