Frequencies for first 10,000 rows of rx6v1c3 variable in namcs2015 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,970       99.70       99.70
        040 |          2        0.02       99.72
        057 |         23        0.23       99.95
        097 |          1        0.01       99.96
        105 |          2        0.02       99.98
        113 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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