Frequencies for first 10,000 rows of rx5v3c2 variable in namcs2007 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,873       98.73       98.73
        102 |          2        0.02       98.75
        174 |          7        0.07       98.82
        182 |          1        0.01       98.83
        186 |          1        0.01       98.84
        196 |          5        0.05       98.89
        198 |         20        0.20       99.09
        201 |          2        0.02       99.11
        203 |         13        0.13       99.24
        209 |          2        0.02       99.26
        211 |         58        0.58       99.84
        235 |          1        0.01       99.85
        238 |          1        0.01       99.86
        239 |          4        0.04       99.90
        268 |          1        0.01       99.91
        292 |          1        0.01       99.92
        301 |          7        0.07       99.99
        317 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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