Summary statistics for icd2cchcc12xw2007 dataset :

by Jean Roth , jroth@nber.org , 12 Jan 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         icd |          0
          cc |          0
     icdvers |      3,183           9           0          9          9
     modtype |          0
     modvers |      3,183          12           0         12         12
-------------+---------------------------------------------------------
        year |      3,183        2007           0       2007       2007

by Jean Roth , jroth@nber.org , 12 Jan 2016