Frequencies for first 10,000 rows of rx1v3c3 variable in nhamcsed2010 dataset :

   For RX1, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,745       97.45       97.45
        185 |          1        0.01       97.46
        197 |        135        1.35       98.81
        203 |        114        1.14       99.95
        204 |          4        0.04       99.99
        374 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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