Frequencies for first 10,000 rows of ncmed4 variable in namcs2015 dataset : Is | Medication | #4 new or | continued? | Freq. Percent Cum. ------------+----------------------------------- -9 | 34 0.34 0.34 -8 | 3 0.03 0.37 -7 | 6,800 68.00 68.37 1 | 423 4.23 72.60 2 | 2,740 27.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017