Frequencies for first 10,000 rows of rx1cat2 variable in nhamcsopd2006 dataset :

     for rx1, multum drug category #2 - |
                               detailed |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Anti-infectives: miscellaneous antibiot |         18        0.18        0.18
          Anti-infectives: sulfanomides |         68        0.68        0.86
Antineoplastics: miscellaneous antineop |          3        0.03        0.89
    Cardiovascular agents: vasodilators |          7        0.07        0.96
    Cardiovascular agents: vasopressors |          2        0.02        0.98
 Hormones: sex hormones: contraceptives |         74        0.74        1.72
        Miscellaneous agents: antidotes |          1        0.01        1.73
Miscellaneous agents: local injectable  |         73        0.73        2.46
Miscellaneous agents: miscellaneous unc |          1        0.01        2.47
Nutritional products: minerals and elec |         10        0.10        2.57
Nutritional products: vitamin and miner |          2        0.02        2.59
     Respiratory agents: antihistamines |         23        0.23        2.82
       Respiratory agents: antitussives |          8        0.08        2.90
      Respiratory agents: decongestants |          1        0.01        2.91
Respiratory agents: miscellaneous respi |          9        0.09        3.00
Topical agents: dermatological agents:  |          2        0.02        3.02
Topical agents: dermatological agents:  |          7        0.07        3.09
Topical agents: dermatological agents:  |          1        0.01        3.10
Topical agents: dermatological agents:  |          5        0.05        3.15
Cardiovascular agents: diuretics: misce |          3        0.03        3.18
Metabolic agents: antihyperlipidemic ag |          2        0.02        3.20
Anti-infectives: antiviral agents: misc |          1        0.01        3.21
     Hormones: sex hormones: progestins |          4        0.04        3.25
Hormones: sex hormones: sex hormone com |          3        0.03        3.28
   Miscellaneous agents: antirheumatics |          6        0.06        3.34
CNS: Antiemetic/antivertigo agents: phe |         17        0.17        3.51
CNS: Antiemetic/antivertigo agents: mis |          8        0.08        3.59
CNS: Anticonvulsants: Barbiturate antic |          5        0.05        3.64
CNS: Anticonvulsants: Benzodiazepine an |         63        0.63        4.27
CNS: Anticonvulsants: Miscellaneous ant |          2        0.02        4.29
Psychotherapeutic agents: antidepressan |          2        0.02        4.31
Psychotherapeutic agents: antipsychotic |          4        0.04        4.35
Coagulation modifiers: antiplatelet age |         69        0.69        5.04
Anti-infectives: antifungals: azole ant |          1        0.01        5.05
Anti-infectives: antimalarial agents: a |          3        0.03        5.08
Anti-infectives: antimalarial agents: m |         12        0.12        5.20
Topical agents: dermatological agents:  |          1        0.01        5.21
                       CNS: Anorexiants |          3        0.03        5.24
Miscellaneous agents: genitourinary tra |          1        0.01        5.25
Topical agents: vaginal preprations: va |          8        0.08        5.33
Gastrointestinal agents: 5-aminosalicyl |          2        0.02        5.35
Metabolic agents: antihyperuricemic age |         10        0.10        5.45
Topical agents: dermatological agents:  |         19        0.19        5.64
Metabolic agents: glucose elevating age |          1        0.01        5.65
Respiratory agents: respiratory inhalan |          1        0.01        5.66
Hormones: adrenal cortical steroids: gl |         25        0.25        5.91
Cardiovascular agents: agents for pulmo |          4        0.04        5.95
Metabolic agents: antihyperlipidemic ag |          2        0.02        5.97
Miscellaneous agents: smoking cessation |         54        0.54        6.51
Cardiovascular agents: aldosterone rece |          6        0.06        6.57
                    Pharmaceutical aids |          1        0.01        6.58
                                      . |      9,342       93.42      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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