Frequencies for first 10,000 rows of repeac variable in natlterr2001 dataset : Repeat C | -section | Freq. Percent Cum. ------------+----------------------------------- 1 | 1,547 15.47 15.47 2 | 8,430 84.30 99.77 8 | 20 0.20 99.97 9 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015