Frequencies for first 10,000 rows of rx4cat2 variable in nhamcsed2015 dataset :

   For RX4, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,511       95.11       95.11
        012 |         21        0.21       95.32
        015 |         11        0.11       95.43
        053 |         18        0.18       95.61
        054 |          1        0.01       95.62
        106 |          3        0.03       95.65
        117 |         16        0.16       95.81
        123 |         47        0.47       96.28
        124 |          1        0.01       96.29
        127 |          1        0.01       96.30
        129 |        183        1.83       98.13
        146 |          3        0.03       98.16
        180 |          8        0.08       98.24
        185 |          4        0.04       98.28
        186 |          1        0.01       98.29
        196 |          9        0.09       98.38
        198 |         45        0.45       98.83
        203 |         23        0.23       99.06
        210 |          5        0.05       99.11
        211 |         31        0.31       99.42
        220 |          1        0.01       99.43
        239 |          4        0.04       99.47
        265 |          1        0.01       99.48
        268 |          5        0.05       99.53
        289 |          1        0.01       99.54
        292 |          2        0.02       99.56
        320 |          1        0.01       99.57
        385 |         28        0.28       99.85
        386 |          1        0.01       99.86
        387 |          1        0.01       99.87
        388 |          7        0.07       99.94
        389 |          5        0.05       99.99
        460 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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