Frequencies for first 10,000 rows of rx5cat3 variable in nhamcsed2006 dataset :

     for rx5, multum drug category #3 - |
                               detailed |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
cns: antiemetic/antivertigo agents: ant |          3        0.03        0.03
cns: anticonvulsants: miscellaneous ant |          2        0.02        0.05
                                      . |      9,995       99.95      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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