Frequencies for first 10,000 rows of cig_rec variable in natlterr2015 dataset : Cigarette | Recode | (Revised) Y | Yes | Freq. Percent Cum. ------------+----------------------------------- | 1,078 10.78 10.78 N | 8,535 85.35 96.13 U | 118 1.18 97.31 Y | 269 2.69 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Oct 2016