Frequencies for first 10,000 rows of wic variable in natl2013 dataset : WIC RFP | 579=f_wic R | Freq. Percent Cum. ------------+----------------------------------- N | 5,808 58.08 58.08 U | 247 2.47 60.55 Y | 3,945 39.45 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015