Frequencies for first 10,000 rows of rx2v3c2 variable in namcs2008 dataset :

   for rx2, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,622       96.22       96.22
        102 |          2        0.02       96.24
        174 |          6        0.06       96.30
        180 |          3        0.03       96.33
        185 |          6        0.06       96.39
        186 |          5        0.05       96.44
        196 |         20        0.20       96.64
        198 |         42        0.42       97.06
        201 |          2        0.02       97.08
        203 |         37        0.37       97.45
        210 |          1        0.01       97.46
        211 |         87        0.87       98.33
        238 |          6        0.06       98.39
        239 |         15        0.15       98.54
        268 |          8        0.08       98.62
        276 |          1        0.01       98.63
        290 |          1        0.01       98.64
        292 |          9        0.09       98.73
        301 |         45        0.45       99.18
        317 |          1        0.01       99.19
        385 |         16        0.16       99.35
        386 |         11        0.11       99.46
        387 |          5        0.05       99.51
        388 |         35        0.35       99.86
        389 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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