Frequencies for Rx_CE_LowAged_RXHCC84 variable in rxcoeff dataset : V2Rx_CE_Low | Aged_RXHCC8 | 4 -- | Systemic | Lupus | Erythematos | us, Other | Connective | Tissue | Freq. Percent Cum. ------------+----------------------------------- .213 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 23 Mar 2017