Frequencies for first 10,000 rows of rx5v1c1 variable in nhamcsed2009 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,176       91.76       91.76
        001 |        115        1.15       92.91
        020 |          4        0.04       92.95
        028 |          1        0.01       92.96
        040 |         51        0.51       93.47
        057 |        325        3.25       96.72
        081 |         14        0.14       96.86
        087 |         60        0.60       97.46
        097 |         32        0.32       97.78
        105 |         23        0.23       98.01
        115 |         67        0.67       98.68
        122 |         62        0.62       99.30
        133 |         22        0.22       99.52
        242 |          5        0.05       99.57
        254 |         12        0.12       99.69
        331 |          4        0.04       99.73
        358 |         22        0.22       99.95
        365 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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