Summary statistics for d_4_ipf_c11_62 variable in prds_hosp10_yr2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ipf~1_62 |          1          15           .         15         15

by Jean Roth , jroth@nber.org , 26 Oct 2018