Summary statistics for drug2013q4 dataset :

by Jean Roth , jroth@nber.org , 19 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    739,595    1.01e+08    6.20e+07   3.68e+07   9.61e+08
      caseid |    739,595     9517347    438235.3    3681487   1.03e+07
    drug_seq |    739,595    5.355707    8.594333          1        317
    role_cod |          0
    drugname |          0
-------------+---------------------------------------------------------
     val_vbm |    739,595    1.051239    .2204847          1          2
       route |          0
    dose_vbm |          0
cum_dose_chr |     14,918    37457.58    742603.5       .025   8.70e+07
cum_dose_u~t |          0
-------------+---------------------------------------------------------
      dechal |          0
      rechal |          0
     lot_num |          0
      exp_dt |      2,184    20088.49    7147.046     -16285     348926
   exp_dtstr |          0
-------------+---------------------------------------------------------
 exp_dt_mult |    739,595    .0000892    .0094462          0          1
     nda_num |    280,628    8.82e+07    1.28e+10          0   2.31e+12
    dose_amt |    325,265    2313.908    509988.5          0   1.95e+08
 dose_amtstr |          0
dose_amt_m~t |    739,595    .0003218    .0179358          0          1
-------------+---------------------------------------------------------
   dose_unit |          0
   dose_form |          0
   dose_freq |          0

by Jean Roth , jroth@nber.org , 19 Apr 2017