Frequencies for first 10,000 rows of rx2v2c2 variable in nhamcsed2011 dataset :

   For RX2, |
 level 2 of |
MULTUM drug |
category #2 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,101       91.01       91.01
        005 |         24        0.24       91.25
        012 |         24        0.24       91.49
        015 |         60        0.60       92.09
        019 |          1        0.01       92.10
        046 |         83        0.83       92.93
        053 |         46        0.46       93.39
        064 |         61        0.61       94.00
        065 |        155        1.55       95.55
        083 |         57        0.57       96.12
        098 |          2        0.02       96.14
        101 |          1        0.01       96.15
        106 |          6        0.06       96.21
        117 |         13        0.13       96.34
        120 |          1        0.01       96.35
        123 |        132        1.32       97.67
        124 |         27        0.27       97.94
        125 |         12        0.12       98.06
        127 |          2        0.02       98.08
        129 |        135        1.35       99.43
        130 |          3        0.03       99.46
        132 |          1        0.01       99.47
        136 |          4        0.04       99.51
        146 |          6        0.06       99.57
        151 |          9        0.09       99.66
        251 |         18        0.18       99.84
        289 |          4        0.04       99.88
        320 |          5        0.05       99.93
        340 |          2        0.02       99.95
        423 |          1        0.01       99.96
        427 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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