Frequencies for first 10,000 rows of rx4cat2 variable in nhamcsed2012 dataset :

   For RX4, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,701       97.01       97.01
        012 |          6        0.06       97.07
        015 |         10        0.10       97.17
        023 |          1        0.01       97.18
        053 |         12        0.12       97.30
        054 |          2        0.02       97.32
        095 |          1        0.01       97.33
        106 |          1        0.01       97.34
        107 |          1        0.01       97.35
        117 |          9        0.09       97.44
        123 |         26        0.26       97.70
        124 |          5        0.05       97.75
        129 |         89        0.89       98.64
        146 |          1        0.01       98.65
        180 |          7        0.07       98.72
        196 |         18        0.18       98.90
        198 |         32        0.32       99.22
        201 |          1        0.01       99.23
        203 |         10        0.10       99.33
        209 |          1        0.01       99.34
        210 |          2        0.02       99.36
        211 |         24        0.24       99.60
        239 |          3        0.03       99.63
        292 |          4        0.04       99.67
        297 |          1        0.01       99.68
        320 |          1        0.01       99.69
        385 |         18        0.18       99.87
        386 |          2        0.02       99.89
        388 |          3        0.03       99.92
        389 |          2        0.02       99.94
        407 |          2        0.02       99.96
        427 |          2        0.02       99.98
        460 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016