Frequencies for first 10,000 rows of ncmed2 variable in namcs2013 dataset :

      Is Medication #2 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
               Not applicable |      4,740       47.40       47.40
                          New |      1,678       16.78       64.18
                    Continued |      3,582       35.82      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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