Frequencies for first 10,000 rows of rx7v3c2 variable in namcs2009 dataset :

   for rx7, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,898       98.98       98.98
        102 |          2        0.02       99.00
        174 |          7        0.07       99.07
        182 |          1        0.01       99.08
        186 |          1        0.01       99.09
        196 |          3        0.03       99.12
        198 |          8        0.08       99.20
        203 |          9        0.09       99.29
        210 |          1        0.01       99.30
        211 |         41        0.41       99.71
        239 |          1        0.01       99.72
        268 |          1        0.01       99.73
        279 |          1        0.01       99.74
        292 |          1        0.01       99.75
        301 |          3        0.03       99.78
        317 |          1        0.01       99.79
        374 |          1        0.01       99.80
        385 |          5        0.05       99.85
        386 |          3        0.03       99.88
        388 |          5        0.05       99.93
        389 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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