Frequencies for first 10,000 rows of rx1v2c3 variable in namcs2014 dataset :

   For RX1, |
 level 2 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,921       99.21       99.21
        064 |         30        0.30       99.51
        065 |         23        0.23       99.74
        101 |          6        0.06       99.80
        270 |          3        0.03       99.83
        430 |          1        0.01       99.84
        433 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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