Frequencies for first 10,000 rows of cigar6 variable in natl1996 dataset : Average | Number of | Cigarettes | Per Day | Recode | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,655 86.55 86.55 1 | 282 2.82 89.37 2 | 500 5.00 94.37 3 | 416 4.16 98.53 4 | 67 0.67 99.20 5 | 2 0.02 99.22 6 | 78 0.78 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015