Frequencies for first 10,000 rows of medicaid variable in nhamcsed1996 dataset : medicaid | Freq. Percent Cum. ------------+----------------------------------- 0 | 7,863 78.63 78.63 1 | 2,137 21.37 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016