Frequencies for first 10,000 rows of fed_pgm_sprt_sw variable in pos2000 dataset : federal | program | support | Freq. Percent Cum. ------------+----------------------------------- | 9,409 94.09 94.09 N | 518 5.18 99.27 Y | 73 0.73 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017