Summary statistics for impact1986 dataset :

by Jean Roth , jroth@nber.org , 17 Mar 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    provider |          0
       fyear |      4,367        1986           0       1986       1986
      tacmiv |      4,367     1.12306      .13584      .5936     2.2268
   wageindex |      4,367    1.095438    .1792848   .8384107   1.735347
       ppsid |      4,367    260401.4    147378.8      10005     530029
-------------+---------------------------------------------------------
      caseta |          0
  sum_rltwts |          0

by Jean Roth , jroth@nber.org , 17 Mar 2016