Summary statistics for h4_2_hha2_c1_10 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
h4_2~2_c1_10 |          1       -2951           .      -2951      -2951

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