Frequencies for first 10,000 rows of rx4v2c2 variable in nhamcsopd2008 dataset :

   for rx4, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,686       96.86       96.86
        005 |          5        0.05       96.91
        012 |          3        0.03       96.94
        015 |         12        0.12       97.06
        019 |          3        0.03       97.09
        046 |         32        0.32       97.41
        053 |          6        0.06       97.47
        064 |         24        0.24       97.71
        065 |         31        0.31       98.02
        066 |          1        0.01       98.03
        083 |         83        0.83       98.86
        098 |         10        0.10       98.96
        100 |          2        0.02       98.98
        101 |          4        0.04       99.02
        106 |          1        0.01       99.03
        110 |          2        0.02       99.05
        117 |          5        0.05       99.10
        120 |          1        0.01       99.11
        123 |         31        0.31       99.42
        124 |          5        0.05       99.47
        125 |          2        0.02       99.49
        127 |          1        0.01       99.50
        129 |          1        0.01       99.51
        136 |          1        0.01       99.52
        146 |          1        0.01       99.53
        151 |          1        0.01       99.54
        192 |          3        0.03       99.57
        249 |          1        0.01       99.58
        251 |          2        0.02       99.60
        257 |          1        0.01       99.61
        277 |          2        0.02       99.63
        289 |          3        0.03       99.66
        293 |          1        0.01       99.67
        303 |          3        0.03       99.70
        320 |         16        0.16       99.86
        323 |          2        0.02       99.88
        340 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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