Frequencies for first 10,000 rows of rx5v3c2 variable in nhamcsopd2009 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,809       98.09       98.09
        102 |          3        0.03       98.12
        174 |          5        0.05       98.17
        186 |          2        0.02       98.19
        196 |          3        0.03       98.22
        198 |         17        0.17       98.39
        201 |          1        0.01       98.40
        203 |         22        0.22       98.62
        210 |          5        0.05       98.67
        211 |         68        0.68       99.35
        238 |          3        0.03       99.38
        239 |          3        0.03       99.41
        268 |          8        0.08       99.49
        279 |          1        0.01       99.50
        292 |          1        0.01       99.51
        301 |          4        0.04       99.55
        317 |          2        0.02       99.57
        374 |          1        0.01       99.58
        385 |         10        0.10       99.68
        386 |          1        0.01       99.69
        388 |         19        0.19       99.88
        389 |         10        0.10       99.98
        407 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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