Frequencies for first 10,000 rows of rx6v3c2 variable in namcs2009 dataset :

   for rx6, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,858       98.58       98.58
        174 |         10        0.10       98.68
        180 |          1        0.01       98.69
        185 |          1        0.01       98.70
        196 |          3        0.03       98.73
        198 |         10        0.10       98.83
        203 |         10        0.10       98.93
        209 |          2        0.02       98.95
        210 |          2        0.02       98.97
        211 |         61        0.61       99.58
        238 |          3        0.03       99.61
        239 |          2        0.02       99.63
        301 |         12        0.12       99.75
        317 |          3        0.03       99.78
        385 |          2        0.02       99.80
        386 |          5        0.05       99.85
        387 |          2        0.02       99.87
        388 |          9        0.09       99.96
        389 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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