Frequencies for first 10,000 rows of drg5ing3 variable in nhamcsopd2004 dataset :

  ingredient code #3 for medication |
                                 #5 |      Freq.     Percent        Cum.
------------------------------------+-----------------------------------
                           caffeine |          2        0.02        0.02
                 magnesium antacids |          2        0.02        0.04
                    pseudoephedrine |          2        0.02        0.06
                         riboflavin |          5        0.05        0.11
              rubella virus vaccine |          1        0.01        0.12
                       salicylamide |          1        0.01        0.13
                     sodium citrate |          1        0.01        0.14
                           thiamine |          1        0.01        0.15
                          vitamin c |          1        0.01        0.16
                  vitamin b complex |          1        0.01        0.17
                 potassium chloride |          1        0.01        0.18
                    carbohydrate(s) |          2        0.02        0.20
                         entacapone |          1        0.01        0.21
                    tetanus vaccine |          2        0.02        0.23
                        mineral wax |          1        0.01        0.24
                                  . |      9,976       99.76      100.00
------------------------------------+-----------------------------------
                              Total |     10,000      100.00

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