Frequencies for first 10,000 rows of rx7v1c1 variable in nhamcsopd2011 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,750       87.50       87.50
        001 |         36        0.36       87.86
        020 |         16        0.16       88.02
        028 |          2        0.02       88.04
        040 |        226        2.26       90.30
        057 |        227        2.27       92.57
        081 |         23        0.23       92.80
        087 |        117        1.17       93.97
        097 |         52        0.52       94.49
        105 |         15        0.15       94.64
        113 |          6        0.06       94.70
        115 |        146        1.46       96.16
        122 |         66        0.66       96.82
        133 |         34        0.34       97.16
        218 |         42        0.42       97.58
        242 |         58        0.58       98.16
        254 |         29        0.29       98.45
        358 |        155        1.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016