Frequencies for first 10,000 rows of rx27v2c1 variable in namcs2015 dataset :

  For RX27, |
 level 2 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,991       99.91       99.91
        015 |          1        0.01       99.92
        048 |          1        0.01       99.93
        058 |          1        0.01       99.94
        116 |          1        0.01       99.95
        119 |          2        0.02       99.97
        125 |          1        0.01       99.98
        147 |          1        0.01       99.99
        272 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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