Frequencies for first 10,000 rows of rx6v1c2 variable in nhamcsopd2011 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,803       98.03       98.03
        001 |         12        0.12       98.15
        040 |         27        0.27       98.42
        057 |         29        0.29       98.71
        081 |         50        0.50       99.21
        087 |          1        0.01       99.22
        097 |          6        0.06       99.28
        105 |          6        0.06       99.34
        115 |         11        0.11       99.45
        122 |         16        0.16       99.61
        133 |          7        0.07       99.68
        218 |          9        0.09       99.77
        242 |          9        0.09       99.86
        254 |          1        0.01       99.87
        331 |          1        0.01       99.88
        358 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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