Frequencies for first 10,000 rows of ncmed3 variable in nhamcsopd2007 dataset :

      was medication 3 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         95        0.95        0.95
               not applicable |      6,647       66.47       67.42
                          new |        622        6.22       73.64
                    continued |      2,636       26.36      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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