Frequencies for first 10,000 rows of otherscr variable in nhamcsed1997 dataset : other | diagnostic/ | screening | service | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,316 93.16 93.16 1 | 684 6.84 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016