Frequencies for first 10,000 rows of ncmed28 variable in namcs2014 dataset : Is Medication | #28 new or | continued | Freq. Percent Cum. ---------------+----------------------------------- Blank | 3 0.03 0.03 Not applicable | 9,988 99.88 99.91 Continued | 9 0.09 100.00 ---------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017