Frequencies for first 10,000 rows of othpriv variable in nhamcsopd1996 dataset : other | private | insurance | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,444 84.44 84.44 1 | 1,556 15.56 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016