Summary statistics for adr_vndr_cd variable in hosp_rpt2552_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |      6,233    3.800257    .3998394          3          4

by Jean Roth , jroth@nber.org , 21 Apr 2018