Summary statistics for h4_2_hha3_c2_10 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
h4_2~3_c2_10 |          1        -254           .       -254       -254

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