Frequencies for first 10,000 rows of drg8ing1 variable in nhamcsopd2004 dataset :

  ingredient code #1 for medication |
                                 #8 |      Freq.     Percent        Cum.
------------------------------------+-----------------------------------
                      acetaminophen |         16        0.16        0.16
                 aluminum hydroxide |          1        0.01        0.17
           benazepril hydrochloride |          2        0.02        0.19
                            calcium |          1        0.01        0.20
                   dextromethorphan |          1        0.01        0.21
                      diphenoxylate |          1        0.01        0.22
                     ergocalciferol |          2        0.02        0.24
             fluticasone propionate |          6        0.06        0.30
                         folic acid |          1        0.01        0.31
                hydrochlorothiazide |          2        0.02        0.33
                ipratropium bromide |          6        0.06        0.39
                 magnesium chloride |          1        0.01        0.40
              multivitamins general |          4        0.04        0.44
                      multivitamins |          2        0.02        0.46
                        niacinamide |          1        0.01        0.47
                   sulfamethoxazole |          1        0.01        0.48
                         zidovudine |          2        0.02        0.50
                       norgestimate |          1        0.01        0.51
                          ritonavir |          1        0.01        0.52
                polymyxin b sulfate |          1        0.01        0.53
                                  . |      9,947       99.47      100.00
------------------------------------+-----------------------------------
                              Total |     10,000      100.00

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