Summary statistics for s2_1_c1_21 variable in prds_hosp10_yr2015 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s2_1_c1_21 |      5,679    4.195457    3.210997          1         13

by Jean Roth , jroth@nber.org , 20 Jan 2017