《adata-drivenstudyofimportantclimatefactorsontheachievementofleed-ebcredits.》

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1、BuildingandEnvironment90(2015)232e244ContentslistsavailableatScienceDirectBuildingandEnvironmentjournalhomepage:www.elsevier.com/locate/buildenvAdata-drivenstudyofimportantclimatefactorsontheachievementofLEED-EBcredits*JackC.P.Cheng,LuckyJ.MaDepartmentofCivi

2、landEnvironmentalEngineering,TheHongKongUniversityofScienceandTechnology,HongKong,ChinaarticleinfoabstractArticlehistory:DevelopedbytheUSGBC,LEEDiscurrentlythemostwidelyadoptedcredit-basedgreenbuildingratingReceived10September2014programworldwide.Buildingsca

3、nbegradedasPlatinum,Gold,Silver,orCertifieddependingontheReceivedinrevisedformnumberofLEEDcreditpointsachieved.SelectionofLEEDcreditsisanimportantstepinLEEDcertifi-22November2014cationplanningandapplication.TherelationshipsbetweenLEEDcreditachievementandprojec

4、tfactorsAccepted24November2014likebudgetandschedulehavealreadybeenstudied.Apartfromthese,climatefactorssuchastemper-Availableonline4December2014atureandprecipitationcanalsoaffecttheselectionofgreenbuildingtechnologiesandthereforetheLEEDcreditsachieved.Howeve

5、r,studyontherelationshipsbetweenLEEDcreditachievementandtheKeywords:climateofthebuildinglocationislacking.ThispaperinvestigatestherelationshipbetweenclimateClimatefactorsDataminingfactorsandLEEDcreditsusingdataminingtechniques.TheLEEDcreditsachievedandtheloc

6、alclimateGreenbuildingconditionsof912LEEDcertifiedexistingbuildingprojectswerecollectedandanalyzed.BysettingtheLEEDclimatefactorsasvariablesandthecreditachievementsasthetargets,26classificationmodelswereRandomForestsalgorithmbuiltusingtheRandomForestsclassifica

7、tionalgorithm.Thevariableimportanceforeachcreditwasthencalculatedbasedonthecontributiontotheclassificationperformance.ForthemodelswithhighAUCperformance,highimportanceclimatefactorswereidentifiedanddiscussed.Theresultsshowthatsomeclimatefactors,suchasdiurnalte

8、mperaturerange,haveanotablecorrelationwiththeachievementofcertainLEEDcredits.Implicationsandcontributionsoftheresultsarealsodiscussed.©2014ElsevierLtd.Allrightsreserved.1.IntroductionLEED-EBhasu