Frequencies for first 10,000 rows of rx30cat2 variable in namcs2015 dataset : For RX30, | MULTUM drug | category #2 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017