Frequencies for first 10,000 rows of fed_pgm_sprt_sw variable in pos2003 dataset : federal | program | support | Freq. Percent Cum. ------------+----------------------------------- | 9,356 93.56 93.56 N | 568 5.68 99.24 Y | 76 0.76 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017