Frequencies for first 10,000 rows of rx5v3c2 variable in nhamcsed2008 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,918       99.18       99.18
        180 |          4        0.04       99.22
        196 |         28        0.28       99.50
        198 |         17        0.17       99.67
        203 |          7        0.07       99.74
        210 |          4        0.04       99.78
        211 |          8        0.08       99.86
        239 |          2        0.02       99.88
        268 |          2        0.02       99.90
        385 |          7        0.07       99.97
        388 |          2        0.02       99.99
        389 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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