Frequencies for first 10,000 rows of ncmed8 variable in nhamcsopd2011 dataset :

      Was medication 8 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |         35        0.35        0.35
               Not applicable |      9,051       90.51       90.86
                          New |         77        0.77       91.63
                    Continued |        837        8.37      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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