Summary statistics for drug2017q2 dataset :

by Jean Roth , jroth@nber.org , 8 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,191,697    1.50e+08    1.27e+08   3.89e+07   1.36e+09
      caseid |  1,191,697    1.33e+07    717366.4    3885345   1.38e+07
    drug_seq |  1,191,697    6.159839    9.335018          1        209
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     prod_ai |          0
     val_vbm |  1,191,697    1.021133    .1438274          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     29,889    192334.4    1.20e+07          0   1.01e+09
-------------+---------------------------------------------------------
cum_dose_u~t |          0
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      3,467    21435.09    430.3124      13149      25110
-------------+---------------------------------------------------------
   exp_dtstr |          0
 exp_dt_mult |  1,191,697    .0000185    .0042966          0          1
     nda_num |    436,618    3.98e+08    8.21e+10          0   3.69e+13
    dose_amt |    501,335    1904.161      524733          0   3.36e+08
   dose_unit |          0
-------------+---------------------------------------------------------
   dose_form |          0
   dose_freq |          0

by Jean Roth , jroth@nber.org , 8 Feb 2018