Frequencies for first 10,000 rows of ncmed3 variable in nhamcsopd2005 dataset :

      was medication 3 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                          new |        811        8.11        8.11
                    continued |      1,794       17.94       26.05
               not applicable |      7,298       72.98       99.03
                        blank |         97        0.97      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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