Frequencies for first 10,000 rows of rx4v3c2 variable in namcs2013 dataset :

   For RX4, |
 level 3 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,766       97.66       97.66
        102 |          1        0.01       97.67
        174 |          5        0.05       97.72
        180 |          4        0.04       97.76
        196 |          7        0.07       97.83
        197 |          1        0.01       97.84
        198 |         15        0.15       97.99
        203 |         28        0.28       98.27
        209 |          1        0.01       98.28
        210 |          5        0.05       98.33
        211 |         95        0.95       99.28
        238 |          3        0.03       99.31
        239 |          5        0.05       99.36
        246 |          1        0.01       99.37
        268 |          3        0.03       99.40
        279 |          2        0.02       99.42
        292 |          5        0.05       99.47
        301 |          2        0.02       99.49
        385 |         10        0.10       99.59
        386 |          4        0.04       99.63
        387 |          2        0.02       99.65
        388 |         18        0.18       99.83
        389 |          2        0.02       99.85
        407 |          4        0.04       99.89
        442 |          5        0.05       99.94
        444 |          2        0.02       99.96
        445 |          2        0.02       99.98
        461 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017