Frequencies for first 10,000 rows of rx7v2c2 variable in namcs2007 dataset :

   for rx7, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,890       98.90       98.90
        005 |          1        0.01       98.91
        012 |          1        0.01       98.92
        015 |          3        0.03       98.95
        019 |          6        0.06       99.01
        053 |          4        0.04       99.05
        064 |          9        0.09       99.14
        065 |         10        0.10       99.24
        066 |          1        0.01       99.25
        083 |         37        0.37       99.62
        098 |          5        0.05       99.67
        100 |          3        0.03       99.70
        109 |          3        0.03       99.73
        117 |          3        0.03       99.76
        119 |          1        0.01       99.77
        123 |          2        0.02       99.79
        124 |          1        0.01       99.80
        192 |          1        0.01       99.81
        249 |          2        0.02       99.83
        251 |          1        0.01       99.84
        277 |          1        0.01       99.85
        289 |          5        0.05       99.90
        303 |          3        0.03       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