Frequencies for first 10,000 rows of rx8v3c2 variable in nhamcsopd2010 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,911       99.11       99.11
        138 |          1        0.01       99.12
        174 |          3        0.03       99.15
        182 |          1        0.01       99.16
        196 |          1        0.01       99.17
        198 |         18        0.18       99.35
        203 |          7        0.07       99.42
        211 |         29        0.29       99.71
        239 |          5        0.05       99.76
        268 |          1        0.01       99.77
        279 |          2        0.02       99.79
        292 |          1        0.01       99.80
        301 |          4        0.04       99.84
        385 |          8        0.08       99.92
        386 |          1        0.01       99.93
        387 |          2        0.02       99.95
        388 |          4        0.04       99.99
        389 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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