Frequencies for first 10,000 rows of rx5v1c1 variable in nhamcsed2007 dataset :

   for rx5, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,143       91.43       91.43
        001 |        105        1.05       92.48
        040 |         81        0.81       93.29
        057 |        323        3.23       96.52
        081 |         23        0.23       96.75
        087 |         64        0.64       97.39
        097 |         38        0.38       97.77
        105 |         16        0.16       97.93
        115 |         58        0.58       98.51
        122 |         71        0.71       99.22
        133 |         20        0.20       99.42
        242 |         23        0.23       99.65
        254 |          5        0.05       99.70
        358 |         28        0.28       99.98
        365 |          1        0.01       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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