Frequencies for first 10,000 rows of rx8v3c2 variable in nhamcsed2009 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,984       99.84       99.84
        185 |          1        0.01       99.85
        196 |          2        0.02       99.87
        198 |          5        0.05       99.92
        203 |          2        0.02       99.94
        210 |          1        0.01       99.95
        211 |          4        0.04       99.99
        238 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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