Frequencies for first 10,000 rows of rx5v3c2 variable in nhamcsopd2008 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,826       98.26       98.26
        141 |          1        0.01       98.27
        174 |          5        0.05       98.32
        180 |          3        0.03       98.35
        185 |          3        0.03       98.38
        186 |          1        0.01       98.39
        196 |          3        0.03       98.42
        198 |         27        0.27       98.69
        203 |         15        0.15       98.84
        209 |          2        0.02       98.86
        210 |          4        0.04       98.90
        211 |         69        0.69       99.59
        238 |          4        0.04       99.63
        239 |          2        0.02       99.65
        265 |          1        0.01       99.66
        268 |          1        0.01       99.67
        292 |          2        0.02       99.69
        301 |          4        0.04       99.73
        385 |          5        0.05       99.78
        386 |          2        0.02       99.80
        388 |         14        0.14       99.94
        389 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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