Frequencies for first 10,000 rows of rx4v3c2 variable in namcs2011 dataset :

   For RX4, |
 level 3 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,782       97.82       97.82
        102 |          4        0.04       97.86
        174 |         13        0.13       97.99
        180 |          3        0.03       98.02
        182 |          1        0.01       98.03
        185 |          1        0.01       98.04
        186 |          4        0.04       98.08
        196 |          8        0.08       98.16
        198 |         16        0.16       98.32
        201 |          1        0.01       98.33
        203 |         19        0.19       98.52
        209 |          1        0.01       98.53
        211 |         73        0.73       99.26
        238 |          2        0.02       99.28
        239 |          6        0.06       99.34
        268 |          1        0.01       99.35
        276 |          1        0.01       99.36
        279 |          1        0.01       99.37
        292 |          5        0.05       99.42
        301 |          4        0.04       99.46
        351 |          1        0.01       99.47
        385 |         13        0.13       99.60
        386 |          4        0.04       99.64
        387 |          2        0.02       99.66
        388 |         17        0.17       99.83
        389 |         12        0.12       99.95
        442 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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