Frequencies for first 10,000 rows of rx5v3c2 variable in nhamcsopd2007 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,863       98.63       98.63
        102 |          2        0.02       98.65
        174 |          2        0.02       98.67
        180 |          4        0.04       98.71
        186 |          1        0.01       98.72
        196 |          3        0.03       98.75
        198 |         20        0.20       98.95
        203 |         19        0.19       99.14
        209 |          1        0.01       99.15
        210 |          2        0.02       99.17
        211 |         71        0.71       99.88
        238 |          1        0.01       99.89
        239 |          2        0.02       99.91
        268 |          1        0.01       99.92
        292 |          2        0.02       99.94
        301 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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