Frequencies for first 10,000 rows of cholest variable in namcs2011 dataset : Lipids/Chol | esterol | Freq. Percent Cum. ------------+----------------------------------- No | 8,977 89.77 89.77 Yes | 1,023 10.23 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016