Frequencies for rx_ce_nolowaged_rxhcc67 variable in rxcoeff dataset : rx_ce_nolow | aged_rxhcc6 | 7 -- | moderate | mental | retardation | /developmen | tal | disability | Freq. Percent Cum. ------------+----------------------------------- .022 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016