Frequencies for first 10,000 rows of rx4v1c1 variable in nhamcsed2012 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,200       82.00       82.00
        001 |        230        2.30       84.30
        020 |          1        0.01       84.31
        028 |          1        0.01       84.32
        040 |        108        1.08       85.40
        057 |        721        7.21       92.61
        081 |         22        0.22       92.83
        087 |        146        1.46       94.29
        097 |         64        0.64       94.93
        105 |         36        0.36       95.29
        113 |          7        0.07       95.36
        115 |        168        1.68       97.04
        122 |        121        1.21       98.25
        133 |         51        0.51       98.76
        218 |          2        0.02       98.78
        242 |         32        0.32       99.10
        254 |         30        0.30       99.40
        331 |         21        0.21       99.61
        358 |         31        0.31       99.92
        365 |          7        0.07       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016