Frequencies for first 10,000 rows of ncmed27 variable in namcs2015 dataset :

         Is |
 Medication |
 #27 new or |
  continued |      Freq.     Percent        Cum.
------------+-----------------------------------
         -7 |      9,991       99.91       99.91
          2 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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