Frequencies for first 10,000 rows of othins variable in nhamcsopd1995 dataset : other | insurance | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,426 94.26 94.26 1 | 574 5.74 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016