Frequencies for first 10,000 rows of rx8v3c2 variable in namcs2009 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,910       99.10       99.10
        102 |          1        0.01       99.11
        139 |          1        0.01       99.12
        174 |          6        0.06       99.18
        185 |          2        0.02       99.20
        186 |          2        0.02       99.22
        196 |          2        0.02       99.24
        197 |          1        0.01       99.25
        198 |          8        0.08       99.33
        201 |          1        0.01       99.34
        203 |          7        0.07       99.41
        210 |          3        0.03       99.44
        211 |         30        0.30       99.74
        238 |          1        0.01       99.75
        239 |          1        0.01       99.76
        268 |          1        0.01       99.77
        279 |          1        0.01       99.78
        301 |          7        0.07       99.85
        385 |          6        0.06       99.91
        386 |          3        0.03       99.94
        388 |          2        0.02       99.96
        389 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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