Frequencies for first 10,000 rows of eddial variable in nhamcsed2012 dataset : Does | patient | have: | Condition | requiring | dialysis | Freq. Percent Cum. ------------+----------------------------------- No | 9,923 99.23 99.23 Yes | 77 0.77 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 7 Nov 2016