Frequencies for first 10,000 rows of rx5v3c2 variable in nhamcsed2007 dataset :

   for rx5, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,934       99.34       99.34
        185 |          1        0.01       99.35
        196 |         20        0.20       99.55
        198 |         18        0.18       99.73
        203 |          7        0.07       99.80
        210 |          5        0.05       99.85
        211 |         10        0.10       99.95
        239 |          2        0.02       99.97
        268 |          2        0.02       99.99
        292 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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