creating user interfaces for econometric routines with jstatcom an example for oxnew

creating user interfaces for econometric routines with jstatcom an example for oxnew

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时间:2019-03-06

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1、CreatinguserinterfacesforeconometricroutineswithJStatCom:AnexampleforOxMarkusKr•atzigHumboldt-Universit•atzuBerlin,InstituteforStatisticsandEconometricsmk@mk-home.deFirstversion:16June2004Currentversion:31July2004AbstractJStatComisanewsoftwareframeworkthatsimpli esthecreat

2、ionofgraphi-caluserinterfacecomponentsformathematicalprocedures.1ItiswritteninJavaando ersacoherentapproachtocreatingapplicationsfordatabasedanalysis.ProgrammingwithJStatComisecient,becauseexistingalgorithmswritteninvariouspopularmatrixlanguagescanbereusedwithlittleornoch

3、angesrequired.ThepapershowshowthissystemcanbeappliedtoprovideanexistingOxprogramwithafeature-richgraphicaluserinterfacewithrelativelylittlee ort.Oneoftheadvantagesofthepresentedapproachisthestrictseparationofuserinterfaceandalgorithmcode.Althoughtheframeworkprovidesstandar

4、dsolutionsforcommontasks,itcanbeextendedandcustomizedinvariousdirections.Keywords:Java,Object-OrientedProgramming,Ox,Econometrics,SoftwareEngineering1IntroductionTheaimofthisworkistopresentanewapproachtocreatingsoftwareforanalyzingdatawithstatisticalmethods.Itmainlyaddress

5、esdeveloperswhointendtoprogramgraphicaluserinterfacesformathematicalalgorithms.Al-thoughtherealreadyexistanumberofsolutionstothistask,thestrengthofthepresentedapproachliesinits exibilityandthehighlevelofcodereusethatcanbeachieved.Italsopromotesanobject-orienteddesignthatal

6、lows1TheURLiswww.jstatcom.com.tocreatescalableapplicationsthatdonottendtobecomemorecomplicatedanderror-proneasmorefeaturesareadded,andthusavoidingthecommonentropyproblems(Bianchietal.,2001).Thisisachievedbyexploitingcurrentdevelopmentsinsoftwareengineering,likeDesignPatter

7、ns(Gammaetal.,1995)andunittesting(Beck,1999).Anobservationthatcanbemadeinareasthatheavilydependontheuseofcomplexmathematicalalgorithmsis,thatlargeandpowerfullibrariesformath,statisticsandgraphicsarecreatedindi erentprogramminglanguages,butthatthereisalackofanintegratingfra

8、meworkthatseekstomakethoseproceduresaccessibleinauserfriendlyway.Sofarthereareonlyisolate

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