Frequencies for first 10,000 rows of rx6v3c2 variable in nhamcsopd2009 dataset :

   for rx6, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,832       98.32       98.32
        102 |          3        0.03       98.35
        174 |          1        0.01       98.36
        180 |          1        0.01       98.37
        182 |          1        0.01       98.38
        185 |          1        0.01       98.39
        186 |          1        0.01       98.40
        196 |          4        0.04       98.44
        197 |          1        0.01       98.45
        198 |         25        0.25       98.70
        203 |         12        0.12       98.82
        209 |          5        0.05       98.87
        210 |          4        0.04       98.91
        211 |         65        0.65       99.56
        238 |          4        0.04       99.60
        239 |          1        0.01       99.61
        268 |          1        0.01       99.62
        279 |          1        0.01       99.63
        292 |          1        0.01       99.64
        301 |          4        0.04       99.68
        317 |          1        0.01       99.69
        351 |          1        0.01       99.70
        374 |          1        0.01       99.71
        385 |          5        0.05       99.76
        386 |          3        0.03       99.79
        388 |         11        0.11       99.90
        389 |          8        0.08       99.98
        407 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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