Frequencies for first 10,000 rows of rx7cat2 variable in namcs2007 dataset :

   for rx7, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,890       98.90       98.90
        012 |          1        0.01       98.91
        015 |          3        0.03       98.94
        053 |          4        0.04       98.98
        100 |          3        0.03       99.01
        109 |          3        0.03       99.04
        117 |          3        0.03       99.07
        119 |          1        0.01       99.08
        123 |          2        0.02       99.10
        124 |          1        0.01       99.11
        174 |          4        0.04       99.15
        192 |          1        0.01       99.16
        196 |          3        0.03       99.19
        197 |          1        0.01       99.20
        198 |          6        0.06       99.26
        203 |          9        0.09       99.35
        209 |          2        0.02       99.37
        210 |          1        0.01       99.38
        211 |         37        0.37       99.75
        238 |          1        0.01       99.76
        276 |          1        0.01       99.77
        277 |          1        0.01       99.78
        289 |          5        0.05       99.83
        301 |          5        0.05       99.88
        303 |          3        0.03       99.91
        317 |          2        0.02       99.93
        320 |          6        0.06       99.99
        377 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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