Frequencies for first 10,000 rows of bldcx variable in namcs2014 dataset : Culture, | blood | Freq. Percent Cum. ------------+----------------------------------- No | 9,947 99.47 99.47 Yes | 53 0.53 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017