Frequencies for rx_ce_lti_rxhcc111 variable in rxcoeff dataset : rx_ce_lti_r | xhcc111 -- | alzheimer`s | disease | Freq. Percent Cum. ------------+----------------------------------- 0 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018