Frequencies for first 10,000 rows of ncmed6 variable in nhamcsopd2011 dataset :

      Was medication 6 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |         49        0.49        0.49
               Not applicable |      8,394       83.94       84.43
                          New |        189        1.89       86.32
                    Continued |      1,368       13.68      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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