Frequencies for rx_ce_lownoaged_rxhcc75 variable in rxcoeff dataset : rx_ce_lowno | aged_ -- | multiple | sclerosis | Freq. Percent Cum. ------------+----------------------------------- 1.526 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016