Frequencies for first 10,000 rows of rx3v3c2 variable in nhamcsed2009 dataset :

   for rx3, |
 level 3 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,737       97.37       97.37
        174 |          1        0.01       97.38
        180 |         11        0.11       97.49
        185 |          1        0.01       97.50
        196 |         73        0.73       98.23
        198 |         66        0.66       98.89
        203 |         10        0.10       98.99
        210 |         19        0.19       99.18
        211 |         18        0.18       99.36
        239 |          7        0.07       99.43
        268 |         10        0.10       99.53
        292 |          1        0.01       99.54
        301 |          3        0.03       99.57
        385 |         31        0.31       99.88
        386 |          1        0.01       99.89
        388 |          6        0.06       99.95
        389 |          4        0.04       99.99
        407 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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