Summary statistics for s3_1_c4_23 variable in hosp_rollup2552_96_1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
  s3_1_c4_23 |          1           9           .          9          9

by Jean Roth , jroth@nber.org , 7 Sep 2018