Summary statistics for d_4_snf_c11_91 variable in prds_hosp10_yr2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_snf~1_91 |          9    6.333333    6.614378          1         20

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