Summary statistics for midrvacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |        491      430247    142.9608     430001     430494
        year |        491        2002           0       2002       2002
          a1 |        491    4.820774    8.432472          0         39
          a2 |        491    4.802444    8.188075          0         39
          a3 |        491    4.881874    8.603885          0         52
-------------+---------------------------------------------------------
          a4 |        491    5.040733    8.810382          0         49
          a5 |        491    5.160896    8.798224          0         39
          a6 |        491    4.971487    8.422225          0         39
          a7 |        491    4.934827    8.603501          0         39
          a8 |        491    4.922607    8.226024          0         39
-------------+---------------------------------------------------------
          a9 |        491    5.293279     8.60206          0         43
         a10 |        491     5.14664    8.497952          0         39

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