Frequencies for first 10,000 rows of diabetes variable in namcs1993 dataset : does | patient | have - | diabetes | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,374 93.74 93.74 1 | 626 6.26 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016