Frequencies for first 10,000 rows of cig_rec variable in natlterr2014 dataset : Cigarette | Recode | (Revised) Y | Yes | Freq. Percent Cum. ------------+----------------------------------- | 1,077 10.77 10.77 N | 8,554 85.54 96.31 U | 101 1.01 97.32 Y | 268 2.68 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Jun 2016