Frequencies for first 10,000 rows of rx2cat2 variable in nhamcsed2011 dataset : For RX2, | MULTUM drug | category #2 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,101 91.01 91.01 012 | 24 0.24 91.25 015 | 60 0.60 91.85 053 | 46 0.46 92.31 102 | 1 0.01 92.32 106 | 6 0.06 92.38 117 | 13 0.13 92.51 120 | 1 0.01 92.52 123 | 132 1.32 93.84 124 | 27 0.27 94.11 127 | 2 0.02 94.13 129 | 135 1.35 95.48 132 | 1 0.01 95.49 146 | 6 0.06 95.55 174 | 1 0.01 95.56 180 | 12 0.12 95.68 196 | 48 0.48 96.16 198 | 107 1.07 97.23 201 | 1 0.01 97.24 203 | 60 0.60 97.84 210 | 18 0.18 98.02 211 | 57 0.57 98.59 239 | 24 0.24 98.83 268 | 9 0.09 98.92 289 | 4 0.04 98.96 292 | 3 0.03 98.99 301 | 2 0.02 99.01 320 | 5 0.05 99.06 340 | 2 0.02 99.08 385 | 66 0.66 99.74 388 | 12 0.12 99.86 389 | 5 0.05 99.91 395 | 1 0.01 99.92 407 | 3 0.03 99.95 423 | 1 0.01 99.96 427 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016