Summary statistics for drug2016q4 dataset :

by Jean Roth , jroth@nber.org , 18 Sep 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,151,027    1.42e+08    1.19e+08   4.08e+07   1.29e+09
      caseid |  1,151,027    1.27e+07    689461.4    4083807   1.31e+07
    drug_seq |  1,151,027    6.470305    11.99683          1        627
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     prod_ai |          0
     val_vbm |  1,151,027    1.024286    .1539362          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     27,764    56353.24     2380812          0   2.40e+08
-------------+---------------------------------------------------------
cum_dose_u~t |          0
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      2,621    21227.17    503.4126       5862      24395
-------------+---------------------------------------------------------
   exp_dtstr |          0
 exp_dt_mult |  1,151,027    5.21e-06    .0022831          0          1
     nda_num |    412,542    1.21e+21    7.79e+23          0   5.01e+26
    dose_amt |    484,372    1357.696    412173.5          0   2.16e+08
   dose_unit |          0
-------------+---------------------------------------------------------
   dose_form |          0
   dose_freq |          0

by Jean Roth , jroth@nber.org , 18 Sep 2017