Frequencies for first 10,000 rows of chf variable in namcs2014 dataset : Does | patient now | have: | Congestive | heart | failure | Freq. Percent Cum. ------------+----------------------------------- No | 9,836 98.36 98.36 Yes | 164 1.64 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017