Summary statistics for clia_lab_classification_cd_7 variable in posclia2016 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
clia_lab_c~7 |    156,962    .0035677    .1335144          0          5

by Jean Roth , jroth@nber.org , 10 Jan 2017