Frequencies for first 10,000 rows of rx5cat3 variable in nhamcsed2011 dataset : For RX5, | MULTUM drug | category #3 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,978 99.78 99.78 197 | 8 0.08 99.86 203 | 10 0.10 99.96 204 | 1 0.01 99.97 433 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016