《SAS实验报告》word版.doc

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1、172666078.52129155274.331156820104.34113184787.6575263395.661155922109.27371176102.78131224472.59254182293.1102147426115.911140233483.8121166912113.2131068812109.4datach;inputX1X2X3X4Y@@;cards;72666078.5129155274.31156820104.3113184787.675263395.61155922109.2371176102.7131224472.5254182293.

2、12147426115.9140233483.81166912113.21068812109.4;procreg;modelY=X1-X4;modelY=X1-X4/selection=stepwise;run;SAS系统2012年03月20日星期二下午04时44分30秒1TheREGProcedureModel:MODEL1DependentVariable:YNumberofObservationsRead13NumberofObservationsUsed13AnalysisofVarianceSumofMeanSourceDFSquaresSquareFValuePr

3、>FModel42664.41342666.10335112.01<.0001Error847.575815.94698CorrectedTotal122711.98923RootMSE2.43864R-Square0.9825DependentMean95.39231AdjR-Sq0.9737CoeffVar2.55644ParameterEstimatesParameterStandardVariableDFEstimateErrortValuePr>

4、t

5、Intercept164.2494369.859960.920.3846X111.541350.742532.080

6、.0716X210.487870.721610.680.5181X310.092650.752440.120.9050X41-0.164700.70692-0.230.8216SAS系统2012年03月20日星期二下午04时44分30秒2TheREGProcedureModel:MODEL2DependentVariable:YNumberofObservationsRead13NumberofObservationsUsed13StepwiseSelection:Step1VariableX4Entered:R-Square=0.6750andC(p)=139.2134An

7、alysisofVarianceSumofMeanSourceDFSquaresSquareFValuePr>FModel11830.567711830.5677122.850.0006Error11881.4215280.12923CorrectedTotal122711.98923ParameterStandardVariableEstimateErrorTypeIISSFValuePr>FIntercept117.529135.2549240082500.22<.0001X4-0.737890.154381830.5677122.850.0006Boundsoncond

8、itionnumber:1,1----------------------------------------------------------------------------------------------------------------------------------StepwiseSelection:Step2VariableX1Entered:R-Square=0.9732andC(p)=5.2269AnalysisofVarianceSumofMeanSourceDFSquaresSquareFValuePr>FModel22639.2758513

9、19.63792181.48<.0001Error1072.713387.27134CorrectedTotal122711.98923ParameterStandardVariableEstimateErrorTypeIISSFValuePr>FIntercept103.062132.09468176032420.82<.0001X11.439610.13651808.70814111.22<.0001X4-0.613720.047971190.00441163.66<.0001Boundsoncon