Frequencies for first 10,000 rows of rx6v1c2 variable in nhamcsed2013 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,853       98.53       98.53
        001 |         14        0.14       98.67
        040 |         17        0.17       98.84
        057 |         41        0.41       99.25
        081 |         10        0.10       99.35
        097 |          2        0.02       99.37
        105 |          1        0.01       99.38
        113 |          2        0.02       99.40
        115 |          2        0.02       99.42
        122 |         54        0.54       99.96
        133 |          1        0.01       99.97
        242 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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