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225Vol.22No.5Statistics&InformationForum20079Sept.,2007:2007-04-15:(06YZ140);2006:(1959-),,,,:SPSS(,510320):,,SPSS,,SPSS,,,:SPSS;;;;:O212:A:1007-3116(2007)05-0015-03,,,,,SPSS,,,,[1](3),,[2],,:,;,;,(78)[3],,SPSS[2][3],[3],:SPSS,?,SPSS,,([1])X=(X1,,XP)(p2),R,R1,,p,1p0,mAm=(1,,m),Ym=(y1,,ym)(Hotelling,1933):yi=iXVaryi=ii=1,,mjXj,z0i,51yiX=Xj,z0iX=Xj1(1)yiz0i,:yi=iz0ii=1,,m(2):yiX=Xj=iz0iX=Xji=1,,mSPSSz0iX=Xj,yiX=Xj,:[4]1,Lyi,[4]1,C=I,ziz0iSPSS,[1],,12517X1X2X3X4X5X6X7X8X9X10X11X12X13X14X15X16X17X18X19X20X21X22X23X24X251EELDORADO80079904912405089710938092CHCHEVETTE00512004234510430035156983CITCITATION40533058141616435447477954MMALIBU60274007231213455456686585FFAIRMONT20240067150214435306486556MUMUSTONG50071977050211018506575557PPINTO100212223030302015005140788AACCORD59568976096999529989750789CICIVIC483670950748885256776507510COCONTINEN700899059223040996209190911GGRANFURY700600043410110733345870812HHORIZON300500563546130244467565513VVOLARE400500361402160275447655514FIFIREBIRD010789561320120695826590715DDASHER485869650887779537789500016RRABBIT485850970969579548788500017DLDL9989998909999987989919000:1SAS198017,25,1709.9,9.9112525X1X25,17,2521,[1],(1)AnalyzeDataReductionFactor,(2)X1X25Vari2ables(3)Extraction,:ethodPrinciplecomponents61ExtractNumberoffactors3DisplayUnrotatedfactersolution,(4)Score.Saveasvariables,MethodRegression,z0iX=Xj(5)OK(6):2z0iX=Xj,i=1,2,3,fac1-1fac2-1fac3-12ComponentExtractionSumsofSquaredLoadingsTotal%ofVarianceCumulative%110.83743.34743.34825.80223.20766.55532.0608.24074.79531:Transformcompute,y1=fac1-13SQR(1)(21=101837),:y1X=Xj;y2=fac2-13SQR(2)(22=51802),:y2X=Xj;y3=fac3-13SQR(3)(23=2106),:y3X=Xjy1y2y3(3)3y1y2y3E-2.844.984-1.013CH-2.62-3.491-2.241CI-0.18-2.1520.86M-1.38-0.1161.468F-1.40-2.2451.606MU-1.32-0.562.151P-3.24-3.157-2.053A4.500.338-1.488CI3.08-1.06-1.491CO-2.925.234-1.045G-3.080.2741.207H-1.18-1.0610.003V-1.66-0.5990.956FI-1.672.0420.559D4.450.644-1.132R4.69-0.102-0.104DL6.771.031.752SPSS,,,[1],:[1],.SPSSforWindows(3)[M].:,2006.[2],.SPSS[J].,2005(3).[3],.SPSS[J].,2006(4).[4].[J].,2006(5):23-25.(:)HowtoUseSPSSSoftwareCalculatetheValueofthePrincipalComponentScoresinOneStepLINHai2ming(SchoolofEconomicsTradeandStatistics,GuangdongUniversityofBusinessStudies,Guangzhou510320,China)Abstract:Principalcomponentanalysisoftenbeenusedtoconductcomprehensiveevaluationandmonitoring.Thevalueforthispurposeisthesamplescoreofprincipalcomponent.Hencetoobtainitinafastwaybecomesveryimportantfortheprocessofcomprehensiveevaluationandmonitoring.Themostlyusedmethodforobtainthescoreofprincipalcomponentworksslowlyandhasmistakes.Thisarticlederivedthefunctionalexpressionbetweenthatscoreandthescorebeforerotation.Theauthorusethescorebeforerotationtocalculatethescoreofprincipalcomponentinonestep,simplifiesthecomputationtremendously.Alsocorrectsthemistakesinreference.Keywords:SPSSsoftware;prinoipalcomponent;thevalueoftheprincipalcomponentscores;onestep;algorithm71:SPSS