Frequencies for first 10,000 rows of sexfl variable in nhamcsed1999 dataset : was sex | imputed? | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,810 98.10 98.10 1 | 190 1.90 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016