Frequencies for first 10,000 rows of ncmed6 variable in nhamcsopd2009 dataset :

      was medication 6 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         43        0.43        0.43
               not applicable |      8,323       83.23       83.66
                          new |        189        1.89       85.55
                    continued |      1,445       14.45      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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