Summary statistics for a_c6_4 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |      4,172    207738.9     1290360  -1.21e+07   2.38e+07

by Jean Roth , jroth@nber.org , 7 Sep 2018