Frequencies for first 10,000 rows of rx3v3c2 variable in namcs2007 dataset :

   for rx3, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,789       97.89       97.89
        102 |          4        0.04       97.93
        138 |          1        0.01       97.94
        174 |          8        0.08       98.02
        196 |         13        0.13       98.15
        198 |         21        0.21       98.36
        201 |          2        0.02       98.38
        203 |         23        0.23       98.61
        209 |          1        0.01       98.62
        210 |          3        0.03       98.65
        211 |        103        1.03       99.68
        238 |          3        0.03       99.71
        239 |          1        0.01       99.72
        264 |          1        0.01       99.73
        268 |          1        0.01       99.74
        292 |          2        0.02       99.76
        301 |         17        0.17       99.93
        317 |          6        0.06       99.99
        374 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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