Frequencies for first 10,000 rows of rx7cat2 variable in nhamcsopd2011 dataset : For RX7, | MULTUM drug | category #2 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,856 98.56 98.56 012 | 1 0.01 98.57 015 | 1 0.01 98.58 053 | 5 0.05 98.63 080 | 1 0.01 98.64 117 | 4 0.04 98.68 118 | 1 0.01 98.69 123 | 12 0.12 98.81 124 | 1 0.01 98.82 174 | 2 0.02 98.84 180 | 1 0.01 98.85 185 | 1 0.01 98.86 196 | 2 0.02 98.88 198 | 10 0.10 98.98 201 | 1 0.01 98.99 203 | 5 0.05 99.04 210 | 3 0.03 99.07 211 | 33 0.33 99.40 219 | 9 0.09 99.49 238 | 1 0.01 99.50 289 | 7 0.07 99.57 290 | 1 0.01 99.58 292 | 2 0.02 99.60 301 | 1 0.01 99.61 303 | 2 0.02 99.63 317 | 2 0.02 99.65 320 | 6 0.06 99.71 340 | 4 0.04 99.75 385 | 1 0.01 99.76 386 | 3 0.03 99.79 388 | 9 0.09 99.88 389 | 4 0.04 99.92 407 | 2 0.02 99.94 417 | 3 0.03 99.97 423 | 2 0.02 99.99 442 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016