Frequencies for first 10,000 rows of rx1cat2 variable in nhamcsed2006 dataset :

     for rx1, multum drug category #2 - |
                               detailed |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
anti-infectives: miscellaneous antibiot |         23        0.23        0.23
          anti-infectives: sulfanomides |         97        0.97        1.20
    cardiovascular agents: vasodilators |         75        0.75        1.95
              cns: analgesics: narcotic |          1        0.01        1.96
     gastrointestinal agents: laxatives |          1        0.01        1.97
 hormones: sex hormones: contraceptives |          3        0.03        2.00
        miscellaneous agents: antidotes |         13        0.13        2.13
miscellaneous agents: local injectable  |         65        0.65        2.78
nutritional products: minerals and elec |          6        0.06        2.84
     respiratory agents: antihistamines |        150        1.50        4.34
       respiratory agents: antitussives |         25        0.25        4.59
      respiratory agents: decongestants |          6        0.06        4.65
respiratory agents: miscellaneous respi |        242        2.42        7.07
topical agents: dermatological agents:  |         20        0.20        7.27
cardiovascular agents: diuretics: misce |          7        0.07        7.34
     hormones: sex hormones: progestins |          3        0.03        7.37
cns: antiemetic/antivertigo agents: phe |        150        1.50        8.87
cns: antiemetic/antivertigo agents: mis |         64        0.64        9.51
cns: anticonvulsants: barbiturate antic |          2        0.02        9.53
cns: anticonvulsants: benzodiazepine an |        144        1.44       10.97
psychotherapeutic agents: antipsychotic |         20        0.20       11.17
coagulation modifiers: antiplatelet age |        125        1.25       12.42
anti-infectives: antimalarial agents: m |         28        0.28       12.70
topical agents: vaginal preprations: va |          7        0.07       12.77
topical agents: dermatological agents:  |          4        0.04       12.81
metabolic agents: glucose elevating age |          3        0.03       12.84
respiratory agents: respiratory inhalan |          1        0.01       12.85
hormones: adrenal cortical steroids: gl |          5        0.05       12.90
miscellaneous agents: smoking cessation |          1        0.01       12.91
                                      . |      8,709       87.09      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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