Frequencies for first 10,000 rows of rx7cat2 variable in nhamcsopd2006 dataset :

     for rx7, multum drug category #2 - |
                               detailed |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
          Anti-infectives: sulfanomides |          3        0.03        0.03
    Cardiovascular agents: vasodilators |          6        0.06        0.09
 Hormones: sex hormones: contraceptives |          2        0.02        0.11
Miscellaneous agents: local injectable  |          1        0.01        0.12
Nutritional products: minerals and elec |          6        0.06        0.18
     Respiratory agents: antihistamines |          1        0.01        0.19
       Respiratory agents: antitussives |          1        0.01        0.20
Respiratory agents: miscellaneous respi |          4        0.04        0.24
Topical agents: dermatological agents:  |          2        0.02        0.26
Metabolic agents: antihyperlipidemic ag |          2        0.02        0.28
     Hormones: sex hormones: progestins |          1        0.01        0.29
Hormones: sex hormones: sex hormone com |          1        0.01        0.30
   Miscellaneous agents: antirheumatics |          1        0.01        0.31
CNS: Antiemetic/antivertigo agents: phe |          3        0.03        0.34
CNS: Antiemetic/antivertigo agents: mis |          2        0.02        0.36
CNS: Anticonvulsants: Barbiturate antic |          1        0.01        0.37
CNS: Anticonvulsants: Benzodiazepine an |         11        0.11        0.48
Psychotherapeutic agents: antipsychotic |          1        0.01        0.49
Coagulation modifiers: antiplatelet age |         31        0.31        0.80
Alternative medicines: nutraceutical pr |          1        0.01        0.81
Anti-infectives: antimalarial agents: a |          1        0.01        0.82
Anti-infectives: antimalarial agents: m |          1        0.01        0.83
Miscellaneous agents: genitourinary tra |          1        0.01        0.84
Topical agents: vaginal preprations: va |          2        0.02        0.86
Metabolic agents: antihyperuricemic age |          1        0.01        0.87
Topical agents: dermatological agents:  |          3        0.03        0.90
Metabolic agents: glucose elevating age |          1        0.01        0.91
Respiratory agents: respiratory inhalan |          1        0.01        0.92
Hormones: adrenal cortical steroids: gl |          3        0.03        0.95
Miscellaneous agents: smoking cessation |          5        0.05        1.00
Cardiovascular agents: aldosterone rece |          5        0.05        1.05
                                      . |      9,895       98.95      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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