Frequencies for first 10,000 rows of rx20cat2 variable in namcs2014 dataset :

  For RX20, |
MULTUM drug |
category #2 |
 - detailed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,991       99.91       99.91
        012 |          1        0.01       99.92
        053 |          1        0.01       99.93
        180 |          1        0.01       99.94
        211 |          3        0.03       99.97
        263 |          1        0.01       99.98
        289 |          1        0.01       99.99
        388 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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