Frequencies for first 10,000 rows of rx6v1c1 variable in nhamcsed2015 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,010       90.10       90.10
        001 |         90        0.90       91.00
        020 |          4        0.04       91.04
        040 |         97        0.97       92.01
        057 |        316        3.16       95.17
        081 |         17        0.17       95.34
        087 |         90        0.90       96.24
        097 |         33        0.33       96.57
        105 |         21        0.21       96.78
        115 |        116        1.16       97.94
        122 |         64        0.64       98.58
        133 |         36        0.36       98.94
        218 |          1        0.01       98.95
        242 |         32        0.32       99.27
        254 |          7        0.07       99.34
        331 |         18        0.18       99.52
        358 |         36        0.36       99.88
        365 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017