Frequencies for first 10,000 rows of rx7cat2 variable in nhamcsed2013 dataset :

   For RX7, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,904       99.04       99.04
        012 |          4        0.04       99.08
        015 |          5        0.05       99.13
        095 |          1        0.01       99.14
        102 |          1        0.01       99.15
        117 |          4        0.04       99.19
        123 |          9        0.09       99.28
        124 |          2        0.02       99.30
        129 |         22        0.22       99.52
        146 |          1        0.01       99.53
        180 |          3        0.03       99.56
        196 |          2        0.02       99.58
        198 |          9        0.09       99.67
        203 |          2        0.02       99.69
        210 |          3        0.03       99.72
        211 |          7        0.07       99.79
        239 |          4        0.04       99.83
        292 |          1        0.01       99.84
        320 |          1        0.01       99.85
        340 |          2        0.02       99.87
        363 |          1        0.01       99.88
        385 |          8        0.08       99.96
        388 |          1        0.01       99.97
        389 |          2        0.02       99.99
        464 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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