Frequencies for first 10,000 rows of rx18cat1 variable in nhamcsed2014 dataset : For RX18, | MULTUM drug | category #1 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,970 99.70 99.70 050 | 1 0.01 99.71 059 | 1 0.01 99.72 060 | 2 0.02 99.74 069 | 1 0.01 99.75 070 | 1 0.01 99.76 095 | 2 0.02 99.78 110 | 2 0.02 99.80 116 | 1 0.01 99.81 117 | 2 0.02 99.83 119 | 2 0.02 99.85 162 | 1 0.01 99.86 181 | 2 0.02 99.88 191 | 2 0.02 99.90 195 | 2 0.02 99.92 211 | 1 0.01 99.93 261 | 1 0.01 99.94 274 | 2 0.02 99.96 296 | 1 0.01 99.97 308 | 1 0.01 99.98 347 | 1 0.01 99.99 368 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017