Frequencies for first 10,000 rows of catriage variable in nhamcsed2010 dataset : Does your | ED use | computer-as | sisted | triage? | Freq. Percent Cum. ------------+----------------------------------- unknown | 526 5.26 5.26 yes | 6,182 61.82 67.08 no | 3,292 32.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016