Frequencies for first 10,000 rows of rx12cat1 variable in nhamcsed2012 dataset : For RX12, | MULTUM drug | category #1 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,986 99.86 99.86 048 | 1 0.01 99.87 070 | 2 0.02 99.89 117 | 3 0.03 99.92 123 | 1 0.01 99.93 173 | 1 0.01 99.94 180 | 1 0.01 99.95 208 | 1 0.01 99.96 211 | 1 0.01 99.97 213 | 1 0.01 99.98 215 | 1 0.01 99.99 261 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 7 Nov 2016