Frequencies for first 10,000 rows of rx18v2c2 variable in namcs2015 dataset :

  For RX18, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,991       99.91       99.91
        005 |          1        0.01       99.92
        065 |          1        0.01       99.93
        083 |          1        0.01       99.94
        117 |          1        0.01       99.95
        123 |          2        0.02       99.97
        219 |          1        0.01       99.98
        253 |          1        0.01       99.99
        289 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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