Frequencies for first 10,000 rows of cigar6 variable in natl1992 dataset : Average | Number of | Cigarettes | Per Day | Recode | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,476 84.76 84.76 1 | 330 3.30 88.06 2 | 581 5.81 93.87 3 | 449 4.49 98.36 4 | 93 0.93 99.29 5 | 5 0.05 99.34 6 | 66 0.66 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015