Frequencies for first 10,000 rows of urine variable in namcs2011 dataset : Urinalysis | Freq. Percent Cum. ------------+----------------------------------- No | 9,249 92.49 92.49 Yes | 751 7.51 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016