Frequencies for first 10,000 rows of rx3v2c3 variable in nhamcsed2007 dataset :

   for rx3, |
 level 2 of |
multum drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,884       98.84       98.84
        064 |         46        0.46       99.30
        065 |         66        0.66       99.96
        101 |          1        0.01       99.97
        113 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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