Frequencies for first 10,000 rows of rx3v3c2 variable in nhamcsed2007 dataset :

   for rx3, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,752       97.52       97.52
        102 |          1        0.01       97.53
        180 |          9        0.09       97.62
        185 |          1        0.01       97.63
        196 |         78        0.78       98.41
        197 |          1        0.01       98.42
        198 |         66        0.66       99.08
        201 |          1        0.01       99.09
        203 |         15        0.15       99.24
        209 |          1        0.01       99.25
        210 |         18        0.18       99.43
        211 |         29        0.29       99.72
        239 |          7        0.07       99.79
        268 |         11        0.11       99.90
        276 |          1        0.01       99.91
        292 |          5        0.05       99.96
        301 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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