Frequencies for first 10,000 rows of fed_pgm_sprt_sw variable in pos1992 dataset : federal | program | support | Freq. Percent Cum. ------------+----------------------------------- | 9,742 97.42 97.42 N | 183 1.83 99.25 Y | 75 0.75 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017