Summary statistics for indi2015q1 dataset :

by Jean Roth , jroth@nber.org , 6 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    749,369    1.10e+08    5.10e+07   3.50e+07   1.07e+09
      caseid |    749,369    1.07e+07    414420.4    3503293   1.12e+07
indi_drug_~q |    749,369     4.42889    6.011685          1        192
     indi_pt |          0

by Jean Roth , jroth@nber.org , 6 Apr 2017