Frequencies for first 10,000 rows of rx3cat2 variable in nhamcsed2006 dataset :

     for rx3, multum drug category #2 - |
                               detailed |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
anti-infectives: miscellaneous antibiot |         21        0.21        0.21
          anti-infectives: sulfanomides |         20        0.20        0.41
antineoplastics: miscellaneous antineop |          1        0.01        0.42
    cardiovascular agents: vasodilators |         33        0.33        0.75
    cardiovascular agents: vasopressors |          1        0.01        0.76
        miscellaneous agents: antidotes |          2        0.02        0.78
miscellaneous agents: local injectable  |         29        0.29        1.07
nutritional products: minerals and elec |          6        0.06        1.13
     respiratory agents: antihistamines |         49        0.49        1.62
       respiratory agents: antitussives |          8        0.08        1.70
      respiratory agents: decongestants |          4        0.04        1.74
respiratory agents: miscellaneous respi |         53        0.53        2.27
topical agents: dermatological agents:  |          7        0.07        2.34
topical agents: dermatological agents:  |          2        0.02        2.36
cardiovascular agents: diuretics: misce |          1        0.01        2.37
cns: antiemetic/antivertigo agents: phe |        119        1.19        3.56
cns: antiemetic/antivertigo agents: mis |         24        0.24        3.80
cns: anticonvulsants: barbiturate antic |          1        0.01        3.81
cns: anticonvulsants: benzodiazepine an |         48        0.48        4.29
psychotherapeutic agents: antipsychotic |          7        0.07        4.36
coagulation modifiers: antiplatelet age |         28        0.28        4.64
anti-infectives: antimalarial agents: m |          6        0.06        4.70
topical agents: vaginal preprations: va |          5        0.05        4.75
topical agents: dermatological agents:  |          1        0.01        4.76
metabolic agents: glucose elevating age |          1        0.01        4.77
miscellaneous agents: smoking cessation |          1        0.01        4.78
                                      . |      9,522       95.22      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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