Frequencies for first 10,000 rows of rx7v1c2 variable in namcs2015 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,805       98.05       98.05
        001 |         15        0.15       98.20
        040 |         51        0.51       98.71
        057 |         16        0.16       98.87
        081 |         50        0.50       99.37
        087 |          1        0.01       99.38
        097 |          8        0.08       99.46
        105 |          8        0.08       99.54
        115 |          3        0.03       99.57
        122 |         21        0.21       99.78
        133 |          4        0.04       99.82
        218 |          5        0.05       99.87
        242 |          2        0.02       99.89
        254 |          2        0.02       99.91
        358 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017