一種組合算法模型在軟件成本估算的研究與應用.pdf

1、合肥工業(yè)大學碩士學位論文一種組合算法模型在軟件成本估算的研究與應用姓名：詹小燕申請學位級別：碩士專業(yè)：管理科學與工程指導教師：馬溪駿20100401ResearchandApplicationofaCombinationAlgorithmModelinSoftwareCostEstimationABSTRACT嘞ti’crapiddevelopmentofcomputersoftwareindustryrecentyearsthesiz

2、eofsoftwaresystemhasbecomelargerandlargerandtheunsuccessfulphenomenonforexamplesoftwareprojectdelaycostoverrunsandloss，havealsobecomemoreandmoreseriousAs讓leurgentneedofsoftwaredevelopmentcostestimation，manyorganizationsh

3、avestudiedandpublishedavarietyofestimationmethodsandestimationmodels，makingthistechnologygetmaturedaybydayHowevertheseexistingsoftwaredevelopmentcostestimationtechnologieshavemanyimperfectionsForexistingsoftwarecostestim

4、ationaccuracyislowestimatedinflexible，CannoteffectivelyassistprojectmanagementThisdissertationproposesamethodwhichcombinesalgorithmmodelsandAHPgroupdecisionAsthealgorithmmodelofclarityofpurpose，objectivityrepeatabilityan

5、dhighefficiencyjudgingfromthedevelopmenttrend，algorithmmodelshavemoreadvantagesBecausedifferentalgorithmmodelshavedifferentstrongpointandweaknessandapplicationscope，thisapproachintegratestheadvantagesofallalgorithmmodels

6、，makesuptheirownshortcomings，andimprovestheestimationaccuracyandflexibilityFirstlythedissertationcomparestheadvantagesanddisadvantagesofcurrentmajorsoftwarecostestimationmethods(expertestimates，analogyestimates，regressio

7、nanalysis，eachalgorithmmodel)analyzesthemajorproblemswhichsolareestimationmodelsexistAnoverviewofalgorithmmodelsandAHPgroupdecisionmaking，itlayatheoreticalfoundationformodelconstructionThenbasedonAHPgroupdecisionmaking，t

8、hedissertationestablishesaprogramlayerhierarchyladderintegratedestimationasthetargetlayersoftwarecostfactorsofproductionfactorscomputerfactors，humanfactors，projectfactorsandotherfactorsasthecriterionlayer，algorithmmodels

9、classificationwhichincludecompositemodel，tablemodel，productmodel，linearmodelaSsub—criterialayeralgorithmmodelsasprojectsetUseofexpertpairwisecomparisonmatrixgainrelativeweightcalculateweightsofeverylevelfactorsrelativeto

10、thetargetlayerfromhighleveltolowlevelsuccessivelyandfinallygetrelativeweightsoftheprogramlevel’SalgorithmmodelswhichisrelativetOthetargetlevel，thengetestimatedcostbyweightsynthesisFinallybasedontheoreticalmodels，thisdiss