Summary statistics for s3_1_c9_22 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c9_22 |          1         .01           .        .01        .01

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