Frequencies for first 10,000 rows of ncmed5 variable in nhamcsopd2011 dataset :

      Was medication 5 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |         66        0.66        0.66
               Not applicable |      7,926       79.26       79.92
                          New |        278        2.78       82.70
                    Continued |      1,730       17.30      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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