Frequencies for first 10,000 rows of rx9v2c2 variable in nhamcsed2012 dataset :

   For RX9, |
 level 2 of |
MULTUM drug |
category #2 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,970       99.70       99.70
        005 |          1        0.01       99.71
        012 |          2        0.02       99.73
        053 |          1        0.01       99.74
        054 |          1        0.01       99.75
        064 |          2        0.02       99.77
        065 |          5        0.05       99.82
        083 |          3        0.03       99.85
        095 |          1        0.01       99.86
        117 |          2        0.02       99.88
        123 |          2        0.02       99.90
        124 |          1        0.01       99.91
        129 |          7        0.07       99.98
        289 |          1        0.01       99.99
        320 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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