Frequencies for first 10,000 rows of rx7v3c2 variable in nhamcsopd2009 dataset :

   for rx7, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,896       98.96       98.96
        102 |          1        0.01       98.97
        174 |          2        0.02       98.99
        180 |          1        0.01       99.00
        182 |          1        0.01       99.01
        196 |          3        0.03       99.04
        198 |         11        0.11       99.15
        203 |          7        0.07       99.22
        210 |          6        0.06       99.28
        211 |         42        0.42       99.70
        238 |          1        0.01       99.71
        268 |          2        0.02       99.73
        276 |          1        0.01       99.74
        292 |          1        0.01       99.75
        301 |          4        0.04       99.79
        317 |          1        0.01       99.80
        385 |          5        0.05       99.85
        386 |          3        0.03       99.88
        387 |          1        0.01       99.89
        388 |          6        0.06       99.95
        389 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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