Summary statistics for adr_vndr_cd variable in hcris2552_10_2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 adr_vndr_cd |      6,248     3.99984    .0126511          3          4

by Jean Roth , jroth@nber.org , 23 Aug 2018