Frequencies for first 10,000 rows of drg2ing5 variable in nhamcsopd2005 dataset :

ingredient code #5 for medication #2 |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                     scopolamine hbr |          1        0.01        0.01
                          sodium ion |          1        0.01        0.02
                             sucrose |          2        0.02        0.04
                            thiamine |          3        0.03        0.07
                           vitamin a |         71        0.71        0.78
                           vitamin e |          2        0.02        0.80
                                aloe |          5        0.05        0.85
                   vitamin b complex |          1        0.01        0.86
       octylphenoxy-polyethoxyethano |          1        0.01        0.87
                    neomycin sulfate |          2        0.02        0.89
                       cod liver oil |          1        0.01        0.90
                 pheniramine maleate |          1        0.01        0.91
                           pertactin |          3        0.03        0.94
                       linoleic acid |          1        0.01        0.95
                                   . |      9,905       99.05      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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