Frequencies for first 10,000 rows of edptor variable in nhamcsed2010 dataset : Does your | ED use | separate | operating | room | dedicated | to ED | patients? | Freq. Percent Cum. ------------+----------------------------------- unknown | 465 4.65 4.65 yes | 1,038 10.38 15.03 no | 8,497 84.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016