Frequencies for first 10,000 rows of rf_cesarn variable in natlterr2014 dataset Number of | Previous | Cesareans | 00 None | Freq. Percent Cum. ------------+----------------------------------- 0 | 7,506 75.06 75.06 1 | 979 9.79 84.85 2 | 288 2.88 87.73 3 | 58 0.58 88.31 4 | 3 0.03 88.34 99 | 89 0.89 89.23 . | 1,077 10.77 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Jun 2016