Frequencies for first 10,000 rows of rx6v1c2 variable in nhamcsed2015 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,825       98.25       98.25
        001 |         12        0.12       98.37
        040 |         25        0.25       98.62
        057 |         29        0.29       98.91
        081 |         14        0.14       99.05
        097 |          4        0.04       99.09
        105 |          3        0.03       99.12
        115 |         10        0.10       99.22
        122 |         72        0.72       99.94
        133 |          3        0.03       99.97
        218 |          1        0.01       99.98
        242 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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