Frequencies for first 10,000 rows of drg3ing5 variable in nhamcsed2004 dataset :

  ingredient code #5 for medication |
                                 #3 |      Freq.     Percent        Cum.
------------------------------------+-----------------------------------
                       salicylamide |          2        0.02        0.02
                         sodium ion |          4        0.04        0.06
                            sucrose |          1        0.01        0.07
                          vitamin a |          5        0.05        0.12
                          vitamin e |          2        0.02        0.14
       sodium carboxymethylcellulos |          1        0.01        0.15
                hyoscyamine sulfate |          2        0.02        0.17
                           donnatal |          2        0.02        0.19
                                  . |      9,981       99.81      100.00
------------------------------------+-----------------------------------
                              Total |     10,000      100.00

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