Frequencies for first 10,000 rows of rx4cat2 variable in namcs2006 dataset :

   for rx4, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,750       97.50       97.50
        012 |          2        0.02       97.52
        015 |          5        0.05       97.57
        053 |          9        0.09       97.66
        060 |          1        0.01       97.67
        109 |          4        0.04       97.71
        117 |          6        0.06       97.77
        120 |          1        0.01       97.78
        123 |          6        0.06       97.84
        124 |          4        0.04       97.88
        129 |          1        0.01       97.89
        174 |          6        0.06       97.95
        185 |          1        0.01       97.96
        192 |          3        0.03       97.99
        196 |         12        0.12       98.11
        198 |          5        0.05       98.16
        201 |          2        0.02       98.18
        203 |         28        0.28       98.46
        209 |          1        0.01       98.47
        211 |         91        0.91       99.38
        238 |          3        0.03       99.41
        239 |          3        0.03       99.44
        253 |          1        0.01       99.45
        264 |          3        0.03       99.48
        268 |          2        0.02       99.50
        277 |          1        0.01       99.51
        289 |         13        0.13       99.64
        292 |          2        0.02       99.66
        301 |         10        0.10       99.76
        303 |          8        0.08       99.84
        317 |          3        0.03       99.87
        320 |          5        0.05       99.92
        340 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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