Frequencies for first 10,000 rows of rx5v2c2 variable in nhamcsopd2007 dataset :

   for rx5, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,787       97.87       97.87
        005 |          3        0.03       97.90
        012 |          1        0.01       97.91
        015 |          6        0.06       97.97
        019 |          2        0.02       97.99
        025 |          1        0.01       98.00
        053 |          6        0.06       98.06
        064 |         19        0.19       98.25
        065 |         23        0.23       98.48
        083 |         71        0.71       99.19
        098 |          6        0.06       99.25
        100 |          2        0.02       99.27
        101 |          3        0.03       99.30
        109 |          9        0.09       99.39
        117 |          9        0.09       99.48
        119 |          1        0.01       99.49
        123 |         11        0.11       99.60
        124 |          3        0.03       99.63
        125 |          4        0.04       99.67
        129 |          1        0.01       99.68
        136 |          2        0.02       99.70
        146 |          3        0.03       99.73
        151 |          1        0.01       99.74
        192 |          3        0.03       99.77
        249 |          1        0.01       99.78
        251 |          2        0.02       99.80
        257 |          1        0.01       99.81
        289 |          7        0.07       99.88
        303 |          1        0.01       99.89
        320 |          8        0.08       99.97
        340 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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