Summary statistics for d_4_irf_c13_91 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_irf~3_91 |          9    4.555556    7.073032          1         23

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