Frequencies for first 10,000 rows of prov2255 variable in pos1998 dataset : srv: | nutritional | guidance | Freq. Percent Cum. ------------+----------------------------------- | 8,591 85.91 85.91 0 | 977 9.77 95.68 1 | 158 1.58 97.26 2 | 239 2.39 99.65 3 | 35 0.35 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016