Frequencies for first 10,000 rows of rx5v2c3 variable in nhamcsed2011 dataset : For RX5, | level 2 of | MULTUM drug | category #3 | (intermedia | te level) | Freq. Percent Cum. ------------+----------------------------------- | 9,978 99.78 99.78 064 | 11 0.11 99.89 065 | 8 0.08 99.97 433 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016