Frequencies for first 10,000 rows of rx1v2c2 variable in nhamcsed2011 dataset :

   For RX1, |
 level 2 of |
MULTUM drug |
category #2 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,757       87.57       87.57
        005 |         31        0.31       87.88
        012 |         21        0.21       88.09
        015 |        108        1.08       89.17
        046 |        127        1.27       90.44
        053 |         53        0.53       90.97
        054 |          2        0.02       90.99
        064 |         64        0.64       91.63
        065 |        175        1.75       93.38
        083 |        140        1.40       94.78
        095 |          2        0.02       94.80
        101 |          5        0.05       94.85
        104 |          1        0.01       94.86
        106 |          5        0.05       94.91
        117 |         13        0.13       95.04
        120 |          6        0.06       95.10
        123 |        136        1.36       96.46
        124 |         19        0.19       96.65
        125 |         19        0.19       96.84
        129 |        256        2.56       99.40
        130 |          8        0.08       99.48
        132 |          1        0.01       99.49
        136 |         14        0.14       99.63
        146 |          4        0.04       99.67
        151 |          6        0.06       99.73
        192 |          2        0.02       99.75
        249 |          1        0.01       99.76
        251 |         14        0.14       99.90
        253 |          1        0.01       99.91
        266 |          1        0.01       99.92
        320 |          6        0.06       99.98
        363 |          1        0.01       99.99
        427 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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