Frequencies for first 10,000 rows of rx3v3c2 variable in nhamcsed2011 dataset :

   For RX3, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,767       97.67       97.67
        102 |          1        0.01       97.68
        174 |          2        0.02       97.70
        180 |          7        0.07       97.77
        183 |          1        0.01       97.78
        196 |         27        0.27       98.05
        198 |         54        0.54       98.59
        201 |          1        0.01       98.60
        203 |         34        0.34       98.94
        210 |         12        0.12       99.06
        211 |         30        0.30       99.36
        238 |          1        0.01       99.37
        239 |          5        0.05       99.42
        248 |          1        0.01       99.43
        268 |          3        0.03       99.46
        292 |          2        0.02       99.48
        385 |         43        0.43       99.91
        388 |          4        0.04       99.95
        389 |          2        0.02       99.97
        395 |          1        0.01       99.98
        445 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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