Frequencies for first 10,000 rows of ncmed6 variable in nhamcsopd2007 dataset :

      was medication 6 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         53        0.53        0.53
               not applicable |      8,521       85.21       85.74
                          new |        122        1.22       86.96
                    continued |      1,304       13.04      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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