Frequencies for first 10,000 rows of diabetes variable in natlterr1999 dataset : Diabetes | Freq. Percent Cum. ------------+----------------------------------- 1 | 186 1.86 1.86 2 | 9,810 98.10 99.96 9 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015