Frequencies for first 10,000 rows of med24 variable in nhamcsed2015 dataset :

                         Medication #24 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,983       99.83       99.83
                          ACETAMINOPHEN |          1        0.01       99.84
                               PROTOPIC |          1        0.01       99.85
                         SOAPSUDS ENEMA |          1        0.01       99.86
                                LEVEMIR |          1        0.01       99.87
                              OXYCODONE |          1        0.01       99.88
                                 KEFLEX |          1        0.01       99.89
                          LEVOTHYROXINE |          1        0.01       99.90
                           MULTIVITAMIN |          1        0.01       99.91
                            SIMETHICONE |          1        0.01       99.92
                        SODIUM CHLORIDE |          1        0.01       99.93
                             VANCOMYCIN |          1        0.01       99.94
                   INFLUENZA VIRUS VACC |          1        0.01       99.95
                              TOPROL XL |          1        0.01       99.96
                                 AMBIEN |          1        0.01       99.97
                                OPTIRAY |          1        0.01       99.98
                               LEVAQUIN |          1        0.01       99.99
                           ATORVASTATIN |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017