Frequencies for first 10,000 rows of sexfl variable in nhamcsed2001 dataset : was patient | sex | imputed? | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,919 99.19 99.19 1 | 81 0.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016