Frequencies for first 10,000 rows of therpr1r variable in nhamcsopd1998 dataset : other | ther/prev | serv #1 - | numeric | recode | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,542 85.42 85.42 10 | 1,458 14.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016