Frequencies for first 10,000 rows of ebillanye variable in nhamcsed2014 dataset : Does your ED | submit any claims | electronically | (electronic | billing)? | Freq. Percent Cum. ------------------+----------------------------------- Unknown | 757 7.57 7.57 Yes | 8,887 88.87 96.44 No | 356 3.56 100.00 ------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017