Summary statistics for d_4_irf_c4_200 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_irf_c4~0 |          1     1292162           .    1292162    1292162

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