Frequencies for rx_ce_nolownoaged_rxhcc66 variable in rxcoeff dataset : rx_ce_nolow | noaged_rxhc | c66 -- | profound or | severe | mental | retardation | /developmen | tal | Freq. Percent Cum. ------------+----------------------------------- .26 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016