Frequencies for first 10,000 rows of rsdnt_pgm_ada_aprvd_sw variable in pos2007 dataset : resident | program | approved by | ada | Freq. Percent Cum. ------------+----------------------------------- | 8,693 86.93 86.93 N | 1,291 12.91 99.84 Y | 16 0.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017