Frequencies for first 10,000 rows of rx23cat1 variable in nhamcsed2014 dataset : For RX23, | MULTUM drug | category #1 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,987 99.87 99.87 050 | 1 0.01 99.88 059 | 1 0.01 99.89 069 | 1 0.01 99.90 070 | 2 0.02 99.92 095 | 2 0.02 99.94 096 | 1 0.01 99.95 262 | 1 0.01 99.96 274 | 1 0.01 99.97 301 | 1 0.01 99.98 345 | 1 0.01 99.99 406 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017