Frequencies for first 10,000 rows of rx8v3c2 variable in nhamcsopd2009 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,909       99.09       99.09
        102 |          1        0.01       99.10
        174 |          2        0.02       99.12
        180 |          1        0.01       99.13
        196 |          2        0.02       99.15
        198 |         17        0.17       99.32
        203 |          7        0.07       99.39
        210 |          1        0.01       99.40
        211 |         39        0.39       99.79
        238 |          2        0.02       99.81
        239 |          1        0.01       99.82
        276 |          1        0.01       99.83
        279 |          1        0.01       99.84
        301 |          2        0.02       99.86
        385 |          4        0.04       99.90
        387 |          1        0.01       99.91
        388 |          2        0.02       99.93
        389 |          6        0.06       99.99
        407 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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