Frequencies for rx_ce_lownoaged_rxhcc188 variable in rxcoeff dataset : rx_ce_lowno | aged_rxhcc1 | 88 -- | coronary | artery | disease | Freq. Percent Cum. ------------+----------------------------------- 0 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018