Summary statistics for h4_2_hha2_c1_34 variable in prds_hosp10_yr2015 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
h4_2~2_c1_34 |          1          -1           .         -1         -1

by Jean Roth , jroth@nber.org , 24 Aug 2018