Frequencies for first 10,000 rows of othprov variable in nhamcsopd2009 dataset : other | provider | seen | Freq. Percent Cum. ------------+----------------------------------- no | 7,550 75.50 75.50 yes | 2,450 24.50 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016