Frequencies for rx_ce_nolownoaged_rxhcc156 variable in rxcoeff dataset : rx_ce_nolow | noaged_rxhc | c156 -- | myasthenia | gravis, | amyotrophic | lateral | sclerosis a | Freq. Percent Cum. ------------+----------------------------------- .565 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 8 Feb 2018