Frequencies for first 10,000 rows of rx5cat2 variable in nhamcsopd2006 dataset :

     for rx5, multum drug category #2 - |
                               detailed |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Anti-infectives: miscellaneous antibiot |          1        0.01        0.01
          Anti-infectives: sulfanomides |          6        0.06        0.07
    Cardiovascular agents: vasodilators |          6        0.06        0.13
 Hormones: sex hormones: contraceptives |          1        0.01        0.14
Miscellaneous agents: local injectable  |          7        0.07        0.21
Miscellaneous agents: miscellaneous unc |          1        0.01        0.22
Nutritional products: minerals and elec |          5        0.05        0.27
     Respiratory agents: antihistamines |         19        0.19        0.46
       Respiratory agents: antitussives |          2        0.02        0.48
      Respiratory agents: decongestants |          4        0.04        0.52
Respiratory agents: miscellaneous respi |          3        0.03        0.55
Topical agents: dermatological agents:  |          1        0.01        0.56
Metabolic agents: antihyperlipidemic ag |          2        0.02        0.58
   Miscellaneous agents: antirheumatics |          1        0.01        0.59
CNS: Antiemetic/antivertigo agents: phe |          3        0.03        0.62
CNS: Antiemetic/antivertigo agents: mis |          9        0.09        0.71
CNS: Anticonvulsants: Benzodiazepine an |         30        0.30        1.01
Psychotherapeutic agents: antidepressan |          1        0.01        1.02
Psychotherapeutic agents: antipsychotic |          1        0.01        1.03
Coagulation modifiers: antiplatelet age |         44        0.44        1.47
Anti-infectives: antimalarial agents: a |          3        0.03        1.50
Anti-infectives: antimalarial agents: m |          3        0.03        1.53
Immunological agents: monoclonal antibo |          1        0.01        1.54
CNS: Anti-Parkinson agents: dopaminergi |          2        0.02        1.56
Metabolic agents: antihyperuricemic age |          7        0.07        1.63
Topical agents: dermatological agents:  |          1        0.01        1.64
Hormones: adrenal cortical steroids: gl |          5        0.05        1.69
Cardiovascular agents: agents for pulmo |          4        0.04        1.73
Metabolic agents: antihyperlipidemic ag |          2        0.02        1.75
Miscellaneous agents: smoking cessation |          5        0.05        1.80
Cardiovascular agents: aldosterone rece |          3        0.03        1.83
                                      . |      9,817       98.17      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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