Summary statistics for a_c6_4 variable in hosp_rollup2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |      4,074    257541.3     1500927  -1.04e+07   3.71e+07

by Jean Roth , jroth@nber.org , 9 Sep 2018