Frequencies for rx_ce_lowaged_rxhcc104 variable in rxcoeff dataset : rx_ce_lowag | ed_rxhcc104 | -- chronic | obstructive | pulmonary | disease and | asthma | Freq. Percent Cum. ------------+----------------------------------- .272 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016