Frequencies for first 10,000 rows of rx7v1c1 variable in nhamcsed2012 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,611       96.11       96.11
        001 |         37        0.37       96.48
        040 |         28        0.28       96.76
        057 |        118        1.18       97.94
        081 |         11        0.11       98.05
        087 |         50        0.50       98.55
        097 |         13        0.13       98.68
        105 |          7        0.07       98.75
        113 |          6        0.06       98.81
        115 |         43        0.43       99.24
        122 |         25        0.25       99.49
        133 |         11        0.11       99.60
        242 |         13        0.13       99.73
        254 |          4        0.04       99.77
        331 |          2        0.02       99.79
        358 |         18        0.18       99.97
        365 |          2        0.02       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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