Frequencies for first 10,000 rows of rx3v1c2 variable in namcs2006 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,703       97.03       97.03
        001 |         20        0.20       97.23
        040 |         25        0.25       97.48
        057 |         55        0.55       98.03
        081 |         88        0.88       98.91
        087 |          3        0.03       98.94
        097 |         15        0.15       99.09
        105 |         23        0.23       99.32
        115 |         10        0.10       99.42
        122 |         23        0.23       99.65
        133 |          6        0.06       99.71
        242 |          2        0.02       99.73
        358 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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