Frequencies for first 10,000 rows of ncmed4 variable in nhamcsopd2010 dataset :

      was medication 4 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         85        0.85        0.85
               not applicable |      7,098       70.98       71.83
                          new |        509        5.09       76.92
                    continued |      2,308       23.08      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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