Frequencies for first 10,000 rows of rx7cat2 variable in namcs2008 dataset :

   for rx7, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,854       98.54       98.54
        015 |          3        0.03       98.57
        053 |          6        0.06       98.63
        102 |          1        0.01       98.64
        117 |          4        0.04       98.68
        123 |          4        0.04       98.72
        124 |          3        0.03       98.75
        174 |          6        0.06       98.81
        180 |          1        0.01       98.82
        182 |          1        0.01       98.83
        185 |          2        0.02       98.85
        186 |          1        0.01       98.86
        192 |          2        0.02       98.88
        196 |          4        0.04       98.92
        198 |          9        0.09       99.01
        201 |          1        0.01       99.02
        203 |          8        0.08       99.10
        210 |          1        0.01       99.11
        211 |         42        0.42       99.53
        238 |          1        0.01       99.54
        239 |          3        0.03       99.57
        253 |          1        0.01       99.58
        276 |          2        0.02       99.60
        289 |          6        0.06       99.66
        301 |          4        0.04       99.70
        303 |          3        0.03       99.73
        317 |          1        0.01       99.74
        320 |          4        0.04       99.78
        340 |          5        0.05       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