Summary statistics for INS_COPD_ASP_SPEC_BACT_PNEUM variable in hcccoefn dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
INS_COPD_A~M |          1        .249           .       .249       .249

by Jean Roth , jroth@nber.org , 23 Mar 2017