Frequencies for first 10,000 rows of ncmed3 variable in namcs2012 dataset :

      Is Medication #3 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |         46        0.46        0.46
               Not applicable |      6,533       65.33       65.79
                          New |        709        7.09       72.88
                    Continued |      2,712       27.12      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016