Frequencies for rx_ce_nolownoaged_rxhcc42 variable in rxcoeff dataset : rx_ce_nolow | noaged_rxhc | c42 -- | systemic | lupus | erythematos | us, other | connective | tiss | Freq. Percent Cum. ------------+----------------------------------- .21 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016