Frequencies for first 10,000 rows of rx8v3c2 variable in nhamcsed2008 dataset :

   for rx8, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
        196 |          3        0.03       99.90
        198 |          3        0.03       99.93
        210 |          1        0.01       99.94
        211 |          2        0.02       99.96
        301 |          1        0.01       99.97
        385 |          2        0.02       99.99
        388 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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