Frequencies for first 10,000 rows of rx22cat1 variable in nhamcsed2014 dataset : For RX22, | MULTUM drug | category #1 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,986 99.86 99.86 012 | 1 0.01 99.87 060 | 1 0.01 99.88 090 | 1 0.01 99.89 095 | 1 0.01 99.90 117 | 1 0.01 99.91 123 | 1 0.01 99.92 126 | 1 0.01 99.93 160 | 1 0.01 99.94 161 | 1 0.01 99.95 225 | 1 0.01 99.96 292 | 1 0.01 99.97 299 | 1 0.01 99.98 301 | 1 0.01 99.99 345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017