Frequencies for first 10,000 rows of rx1v3c2 variable in nhamcsopd2008 dataset :

   for rx1, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,493       94.93       94.93
        102 |         48        0.48       95.41
        143 |          1        0.01       95.42
        174 |          3        0.03       95.45
        180 |          3        0.03       95.48
        182 |          1        0.01       95.49
        185 |         10        0.10       95.59
        186 |          7        0.07       95.66
        196 |         13        0.13       95.79
        198 |         38        0.38       96.17
        201 |         14        0.14       96.31
        203 |         47        0.47       96.78
        209 |          2        0.02       96.80
        210 |         10        0.10       96.90
        211 |        109        1.09       97.99
        238 |          5        0.05       98.04
        239 |         20        0.20       98.24
        268 |          9        0.09       98.33
        292 |          8        0.08       98.41
        301 |         36        0.36       98.77
        317 |          2        0.02       98.79
        351 |          2        0.02       98.81
        385 |         88        0.88       99.69
        386 |          4        0.04       99.73
        387 |          3        0.03       99.76
        388 |         17        0.17       99.93
        389 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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