Frequencies for first 10,000 rows of rx3v1c2 variable in namcs2008 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,591       95.91       95.91
        001 |         20        0.20       96.11
        040 |         71        0.71       96.82
        057 |         80        0.80       97.62
        081 |        102        1.02       98.64
        087 |          1        0.01       98.65
        097 |         38        0.38       99.03
        105 |         27        0.27       99.30
        115 |          9        0.09       99.39
        122 |         28        0.28       99.67
        133 |          6        0.06       99.73
        218 |          1        0.01       99.74
        242 |          2        0.02       99.76
        358 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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