Frequencies for first 10,000 rows of therpr2r variable in nhamcsopd1998 dataset : other | ther/prev | serv #2 - | numeric | recode | Freq. Percent Cum. ------------+----------------------------------- 0 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016