Frequencies for first 10,000 rows of rx4v2c2 variable in nhamcsed2015 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #2 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,511       95.11       95.11
        005 |          4        0.04       95.15
        012 |         21        0.21       95.36
        015 |         11        0.11       95.47
        046 |         42        0.42       95.89
        053 |         18        0.18       96.07
        054 |          1        0.01       96.08
        064 |         23        0.23       96.31
        065 |         54        0.54       96.85
        083 |         31        0.31       97.16
        101 |          5        0.05       97.21
        106 |          3        0.03       97.24
        117 |         16        0.16       97.40
        123 |         47        0.47       97.87
        124 |          1        0.01       97.88
        125 |          8        0.08       97.96
        127 |          1        0.01       97.97
        129 |        183        1.83       99.80
        136 |          2        0.02       99.82
        146 |          3        0.03       99.85
        151 |          5        0.05       99.90
        220 |          1        0.01       99.91
        251 |          5        0.05       99.96
        265 |          1        0.01       99.97
        289 |          1        0.01       99.98
        320 |          1        0.01       99.99
        460 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017