Frequencies for first 10,000 rows of rx4v2c2 variable in nhamcsed2011 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #2 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,715       97.15       97.15
        005 |          9        0.09       97.24
        012 |         12        0.12       97.36
        015 |         12        0.12       97.48
        019 |          1        0.01       97.49
        046 |         18        0.18       97.67
        053 |         12        0.12       97.79
        054 |          1        0.01       97.80
        064 |         16        0.16       97.96
        065 |         45        0.45       98.41
        083 |         25        0.25       98.66
        095 |          2        0.02       98.68
        106 |          3        0.03       98.71
        117 |          3        0.03       98.74
        120 |          4        0.04       98.78
        123 |         39        0.39       99.17
        124 |          2        0.02       99.19
        125 |          4        0.04       99.23
        127 |          1        0.01       99.24
        129 |         56        0.56       99.80
        130 |          2        0.02       99.82
        136 |          2        0.02       99.84
        146 |          1        0.01       99.85
        151 |          6        0.06       99.91
        251 |          5        0.05       99.96
        289 |          1        0.01       99.97
        320 |          1        0.01       99.98
        340 |          1        0.01       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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