Frequencies for first 10,000 rows of rx7v2c2 variable in namcs2009 dataset :

   for rx7, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,844       98.44       98.44
        005 |          1        0.01       98.45
        012 |          3        0.03       98.48
        015 |          2        0.02       98.50
        019 |          8        0.08       98.58
        046 |         20        0.20       98.78
        053 |          9        0.09       98.87
        064 |          9        0.09       98.96
        065 |         11        0.11       99.07
        083 |         41        0.41       99.48
        098 |          3        0.03       99.51
        101 |          5        0.05       99.56
        117 |          2        0.02       99.58
        123 |          6        0.06       99.64
        124 |          4        0.04       99.68
        136 |          1        0.01       99.69
        151 |          1        0.01       99.70
        192 |          3        0.03       99.73
        251 |          1        0.01       99.74
        257 |          2        0.02       99.76
        277 |          1        0.01       99.77
        289 |          5        0.05       99.82
        303 |          5        0.05       99.87
        320 |          5        0.05       99.92
        332 |          1        0.01       99.93
        340 |          2        0.02       99.95
        417 |          1        0.01       99.96
        423 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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