Frequencies for first 10,000 rows of rx8v1c1 variable in nhamcsed2011 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,793       97.93       97.93
        001 |         16        0.16       98.09
        020 |          1        0.01       98.10
        040 |         16        0.16       98.26
        057 |         57        0.57       98.83
        081 |          4        0.04       98.87
        087 |         22        0.22       99.09
        097 |          2        0.02       99.11
        105 |          3        0.03       99.14
        113 |          8        0.08       99.22
        115 |         24        0.24       99.46
        122 |         24        0.24       99.70
        133 |          4        0.04       99.74
        242 |          8        0.08       99.82
        254 |          1        0.01       99.83
        331 |          1        0.01       99.84
        358 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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