Frequencies for first 10,000 rows of ncmed3 variable in nhamcsopd2008 dataset :

      was medication 3 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |        141        1.41        1.41
               not applicable |      6,439       64.39       65.80
                          new |        767        7.67       73.47
                    continued |      2,653       26.53      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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