Frequencies for first 10,000 rows of rx6cat2 variable in nhamcsed2011 dataset :

   For RX6, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,912       99.12       99.12
        012 |          2        0.02       99.14
        015 |          1        0.01       99.15
        053 |          3        0.03       99.18
        054 |          1        0.01       99.19
        095 |          1        0.01       99.20
        106 |          1        0.01       99.21
        117 |          3        0.03       99.24
        123 |          8        0.08       99.32
        124 |          1        0.01       99.33
        129 |         18        0.18       99.51
        146 |          1        0.01       99.52
        174 |          1        0.01       99.53
        180 |          4        0.04       99.57
        196 |          5        0.05       99.62
        198 |         11        0.11       99.73
        203 |          5        0.05       99.78
        211 |         10        0.10       99.88
        238 |          1        0.01       99.89
        253 |          1        0.01       99.90
        292 |          1        0.01       99.91
        320 |          1        0.01       99.92
        363 |          1        0.01       99.93
        385 |          4        0.04       99.97
        388 |          1        0.01       99.98
        389 |          1        0.01       99.99
        417 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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