Frequencies for first 10,000 rows of rx6cat2 variable in namcs2007 dataset :

   for rx6, |
multum drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,844       98.44       98.44
        012 |          2        0.02       98.46
        015 |          4        0.04       98.50
        053 |          7        0.07       98.57
        100 |          2        0.02       98.59
        102 |          1        0.01       98.60
        109 |          5        0.05       98.65
        117 |          6        0.06       98.71
        123 |          5        0.05       98.76
        124 |          3        0.03       98.79
        129 |          1        0.01       98.80
        174 |          5        0.05       98.85
        180 |          1        0.01       98.86
        192 |          1        0.01       98.87
        196 |          2        0.02       98.89
        198 |         17        0.17       99.06
        203 |          9        0.09       99.15
        211 |         48        0.48       99.63
        239 |          1        0.01       99.64
        253 |          2        0.02       99.66
        268 |          1        0.01       99.67
        289 |          5        0.05       99.72
        301 |          9        0.09       99.81
        303 |          1        0.01       99.82
        320 |         10        0.10       99.92
        340 |          6        0.06       99.98
        351 |          1        0.01       99.99
        363 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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