Frequencies for first 10,000 rows of rx4cat2 variable in nhamcsed2013 dataset :

   For RX4, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,573       95.73       95.73
        012 |         13        0.13       95.86
        015 |         15        0.15       96.01
        053 |         21        0.21       96.22
        102 |          1        0.01       96.23
        117 |         17        0.17       96.40
        123 |         47        0.47       96.87
        124 |          7        0.07       96.94
        129 |        145        1.45       98.39
        180 |          6        0.06       98.45
        196 |         17        0.17       98.62
        198 |         43        0.43       99.05
        203 |         18        0.18       99.23
        210 |          5        0.05       99.28
        211 |         17        0.17       99.45
        220 |          1        0.01       99.46
        239 |          9        0.09       99.55
        268 |          4        0.04       99.59
        289 |          1        0.01       99.60
        292 |          1        0.01       99.61
        385 |         28        0.28       99.89
        388 |          6        0.06       99.95
        389 |          2        0.02       99.97
        427 |          2        0.02       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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