Frequencies for first 10,000 rows of med20 variable in nhamcsed2015 dataset :

                         Medication #20 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,971       99.71       99.71
                               PROTONIX |          1        0.01       99.72
                 ISOSORBIDE MONONITRATE |          1        0.01       99.73
                          ACETAMINOPHEN |          1        0.01       99.74
                             APRESOLINE |          1        0.01       99.75
                               PRECEDEX |          1        0.01       99.76
                               DEXTROSE |          1        0.01       99.77
                       DEXTROMETHORPHAN |          1        0.01       99.78
                              GLUCOTROL |          1        0.01       99.79
                                HEPARIN |          1        0.01       99.80
                                INDERAL |          1        0.01       99.81
                     MAGNESIUM CHLORIDE |          1        0.01       99.82
                      MAGNESIUM SULFATE |          1        0.01       99.83
                               MORPHINE |          1        0.01       99.84
                       PROCHLORPERAZINE |          1        0.01       99.85
                                  SENNA |          1        0.01       99.86
                        SODIUM CHLORIDE |          1        0.01       99.87
                               VANCOCIN |          1        0.01       99.88
                             VANCOMYCIN |          1        0.01       99.89
                               WARFARIN |          2        0.02       99.91
                    IPRATROPIUM BROMIDE |          1        0.01       99.92
                          CIPROFLOXACIN |          1        0.01       99.93
                            FLUTICASONE |          1        0.01       99.94
                                 ZOLOFT |          1        0.01       99.95
                                  ALEVE |          1        0.01       99.96
                                 DIOVAN |          1        0.01       99.97
                             TACROLIMUS |          1        0.01       99.98
                                MIRALAX |          2        0.02      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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