Frequencies for first 10,000 rows of rx2v2c3 variable in namcs2006 dataset :

   for rx2, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,966       99.66       99.66
        065 |         17        0.17       99.83
        101 |          5        0.05       99.88
        113 |          1        0.01       99.89
        125 |          6        0.06       99.95
        270 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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