Frequencies for Rx_CE_LowNoAged_RXHCC227 variable in rxcoeff dataset : V2Rx_CE_Low | NoAged_RXHC | C227 -- | Pulmonary | Fibrosis | and Other | Chronic | Lung | Disorder | Freq. Percent Cum. ------------+----------------------------------- .248 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 23 Mar 2017