Summary statistics for d_4_ipf_c11_9201 variable in prds_hosp10_yr2013 dataset 

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
~pf_c11_9201 |          4       81.75    120.5083          1        256

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