Frequencies for first 10,000 rows of rx3v1c2 variable in nhamcsed2013 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,312       93.12       93.12
        001 |         68        0.68       93.80
        040 |         73        0.73       94.53
        057 |        132        1.32       95.85
        081 |         34        0.34       96.19
        087 |          2        0.02       96.21
        097 |          4        0.04       96.25
        105 |          2        0.02       96.27
        113 |          1        0.01       96.28
        115 |         12        0.12       96.40
        122 |        337        3.37       99.77
        133 |         16        0.16       99.93
        218 |          2        0.02       99.95
        242 |          4        0.04       99.99
        358 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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