Frequencies for first 10,000 rows of rx8v1c1 variable in nhamcsed2013 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,748       97.48       97.48
        001 |         18        0.18       97.66
        040 |         27        0.27       97.93
        057 |         72        0.72       98.65
        081 |          2        0.02       98.67
        087 |         35        0.35       99.02
        097 |         10        0.10       99.12
        105 |          6        0.06       99.18
        113 |          1        0.01       99.19
        115 |         36        0.36       99.55
        122 |         12        0.12       99.67
        133 |          6        0.06       99.73
        242 |         10        0.10       99.83
        254 |          2        0.02       99.85
        331 |          2        0.02       99.87
        358 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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