Summary statistics for adr_vndr_cd variable in hosp_rpt2552_10_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |      2,322    3.905685    .2923298          3          4

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