Frequencies for first 10,000 rows of rx4v1c1 variable in nhamcsed2014 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,886       78.86       78.86
        001 |        248        2.48       81.34
        020 |          2        0.02       81.36
        040 |        127        1.27       82.63
        057 |        805        8.05       90.68
        081 |         29        0.29       90.97
        087 |        177        1.77       92.74
        097 |         81        0.81       93.55
        105 |         49        0.49       94.04
        113 |          1        0.01       94.05
        115 |        242        2.42       96.47
        122 |        127        1.27       97.74
        133 |         82        0.82       98.56
        218 |          3        0.03       98.59
        242 |         34        0.34       98.93
        254 |         23        0.23       99.16
        331 |         30        0.30       99.46
        358 |         48        0.48       99.94
        365 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017