Frequencies for first 10,000 rows of ncmed7 variable in nhamcsopd2008 dataset :

      was medication 7 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         36        0.36        0.36
               not applicable |      8,779       87.79       88.15
                          new |        186        1.86       90.01
                    continued |        999        9.99      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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