Frequencies for first 10,000 rows of doa variable in person dataset : died at | scene/en | route | Freq. Percent Cum. ------------+----------------------------------- 0 | 7,433 74.33 74.33 7 | 2,545 25.45 99.78 8 | 22 0.22 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016