Frequencies for first 10,000 rows of prov1820 variable in pos2002 dataset : resident | program | approved by | other | Freq. Percent Cum. ------------+----------------------------------- | 8,812 88.12 88.12 N | 1,076 10.76 98.88 Y | 112 1.12 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016