Frequencies for first 10,000 rows of rx4v3c2 variable in namcs2008 dataset :

   for rx4, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,766       97.66       97.66
        102 |          3        0.03       97.69
        143 |          1        0.01       97.70
        174 |         11        0.11       97.81
        180 |          3        0.03       97.84
        185 |          3        0.03       97.87
        186 |          1        0.01       97.88
        196 |          6        0.06       97.94
        198 |         11        0.11       98.05
        201 |          1        0.01       98.06
        203 |         18        0.18       98.24
        210 |          3        0.03       98.27
        211 |         90        0.90       99.17
        238 |          4        0.04       99.21
        239 |          1        0.01       99.22
        268 |          3        0.03       99.25
        292 |          2        0.02       99.27
        301 |         20        0.20       99.47
        317 |          3        0.03       99.50
        351 |          1        0.01       99.51
        385 |          6        0.06       99.57
        386 |          8        0.08       99.65
        387 |          2        0.02       99.67
        388 |         21        0.21       99.88
        389 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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