Frequencies for first 10,000 rows of med26 variable in nhamcsed2014 dataset :

                          Medication 26 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,992       99.92       99.92
                               NICOTINE |          1        0.01       99.93
                    METOPROLOL TARTRATE |          1        0.01       99.94
                               DILAUDID |          1        0.01       99.95
                              GLUCOTROL |          1        0.01       99.96
                                INSULIN |          1        0.01       99.97
                              NITRO-DUR |          1        0.01       99.98
                                LOVENOX |          1        0.01       99.99
                              ALBUTEROL |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017