Frequencies for first 10,000 rows of rx7v2c3 variable in namcs2014 dataset :

   For RX7, |
 level 2 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,976       99.76       99.76
        064 |          9        0.09       99.85
        065 |          6        0.06       99.91
        101 |          1        0.01       99.92
        265 |          2        0.02       99.94
        270 |          3        0.03       99.97
        433 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017