Frequencies for first 10,000 rows of rx7v3c2 variable in namcs2008 dataset :

   for rx7, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,895       98.95       98.95
        102 |          1        0.01       98.96
        174 |          6        0.06       99.02
        180 |          1        0.01       99.03
        182 |          1        0.01       99.04
        185 |          2        0.02       99.06
        186 |          1        0.01       99.07
        196 |          4        0.04       99.11
        198 |          9        0.09       99.20
        201 |          1        0.01       99.21
        203 |          8        0.08       99.29
        210 |          1        0.01       99.30
        211 |         42        0.42       99.72
        238 |          1        0.01       99.73
        239 |          3        0.03       99.76
        276 |          2        0.02       99.78
        301 |          4        0.04       99.82
        317 |          1        0.01       99.83
        388 |         10        0.10       99.93
        389 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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