Frequencies for first 10,000 rows of splint variable in nhamcsed2009 dataset : splint or | wrap | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,451 94.51 94.51 1 | 549 5.49 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016