Frequencies for first 10,000 rows of rx25cat1 variable in nhamcsed2014 dataset : For RX25, | MULTUM drug | category #1 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,991 99.91 99.91 060 | 1 0.01 99.92 069 | 2 0.02 99.94 072 | 1 0.01 99.95 095 | 1 0.01 99.96 120 | 1 0.01 99.97 154 | 1 0.01 99.98 301 | 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