Frequencies for first 10,000 rows of nummed variable in namcs2001 dataset : number of | medications | Freq. Percent Cum. ------------+----------------------------------- 0 | 4,173 41.73 41.73 1 | 2,671 26.71 68.44 2 | 1,442 14.42 82.86 3 | 730 7.30 90.16 4 | 333 3.33 93.49 5 | 217 2.17 95.66 6 | 434 4.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016