Frequencies for first 10,000 rows of rx4v3c2 variable in nhamcsed2008 dataset :

   for rx4, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,818       98.18       98.18
        102 |          1        0.01       98.19
        143 |          3        0.03       98.22
        180 |          5        0.05       98.27
        182 |          1        0.01       98.28
        185 |          1        0.01       98.29
        196 |         46        0.46       98.75
        198 |         38        0.38       99.13
        201 |          1        0.01       99.14
        203 |         15        0.15       99.29
        210 |          4        0.04       99.33
        211 |         23        0.23       99.56
        239 |          9        0.09       99.65
        268 |          4        0.04       99.69
        292 |          1        0.01       99.70
        301 |          2        0.02       99.72
        385 |         21        0.21       99.93
        386 |          1        0.01       99.94
        388 |          1        0.01       99.95
        389 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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