Frequencies for first 10,000 rows of rx2v3c2 variable in nhamcsed2015 dataset :

   For RX2, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,514       95.14       95.14
        180 |         17        0.17       95.31
        185 |          1        0.01       95.32
        196 |         50        0.50       95.82
        198 |        111        1.11       96.93
        201 |          1        0.01       96.94
        203 |         66        0.66       97.60
        210 |         14        0.14       97.74
        211 |         77        0.77       98.51
        235 |          1        0.01       98.52
        239 |         12        0.12       98.64
        268 |          9        0.09       98.73
        279 |          1        0.01       98.74
        290 |          1        0.01       98.75
        292 |          7        0.07       98.82
        297 |          1        0.01       98.83
        385 |         92        0.92       99.75
        386 |          3        0.03       99.78
        388 |         15        0.15       99.93
        407 |          3        0.03       99.96
        442 |          1        0.01       99.97
        444 |          1        0.01       99.98
        445 |          1        0.01       99.99
        461 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017