Frequencies for first 10,000 rows of ncmed4 variable in nhamcsopd2009 dataset :

      was medication 4 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         79        0.79        0.79
               not applicable |      7,255       72.55       73.34
                          new |        448        4.48       77.82
                    continued |      2,218       22.18      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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