Summary statistics for midrvacc dataset :

by Jean Roth , jroth@nber.org , 18 Apr 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |        471    430236.7    136.5018     430001     430472
        year |        471        2003           0       2003       2003
          a1 |        471    6.248408     9.26397          0         36
          a2 |        471    6.267516    9.285346          0         41
          a3 |        471    5.783439    8.800618          0         35
-------------+---------------------------------------------------------
          a4 |        471    6.031847     9.08594          0         37
          a5 |        471    6.087049    9.305847          0         49
          a6 |        471    6.050955    9.117994          0         35
          a7 |        471    5.847134    8.989946          0         35
          a8 |        471    5.821656    9.070999          0         35
-------------+---------------------------------------------------------
          a9 |        471    5.766454    9.002164          0         35
         a10 |        471    5.942675    9.016705          0         35

by Jean Roth , jroth@nber.org , 18 Apr 2016