Frequencies for rx_ce_nolowaged_rxhcc84 variable in rxcoeff dataset : rx_ce_nolow | aged_rxhcc8 | 4 -- | systemic | lupus | erythematos | us, other | connective | tissue | Freq. Percent Cum. ------------+----------------------------------- .212 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018