Summary statistics for d_4_ipf_c13_76 variable in prds_hosp10_yr2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ipf~3_76 |          2           2    1.414214          1          3

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