Frequencies for rx_ce_lownoaged_rxhcc225 variable in rxcoeff dataset : rx_ce_lowno | aged_rxhcc2 | 25 -- | cystic | fibrosis | Freq. Percent Cum. ------------+----------------------------------- 5.262 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018