Summary statistics for a7_1_c4_7 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_1_c4_7 |        418     2424879     6468473  -2.47e+07   6.92e+07

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