Frequencies for first 10,000 rows of rx7v3c2 variable in nhamcsed2012 dataset :

   For RX7, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,968       99.68       99.68
        196 |          8        0.08       99.76
        198 |         10        0.10       99.86
        203 |          1        0.01       99.87
        210 |          1        0.01       99.88
        211 |          6        0.06       99.94
        239 |          2        0.02       99.96
        301 |          1        0.01       99.97
        385 |          2        0.02       99.99
        387 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016