Understanding Software Cohesion Metrics:Experimental Assessment of Conceptual Cohesion
cohesion versus Gs.doc
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LinearModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.551.304.0723.183The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression13.261113.2611.309.336Residual30.387310.129
Total43.6484
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS75.60366.075.5511.144.336(Constant)-171.983175.502
-.980.399
LogarithmicModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.553.306.0743.178The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression13.349113.3491.322.334Residual30.299310.100
Total43.6484
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
ln(GS)201.787175.523.5531.150.334(Constant)-168.283171.454
-.982.399Inverse
Model SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.555.308.0773.173The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression13.436113.4361.334.332Residual30.212310.071
Total43.6484
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
1 / GS-538.540466.233-.555-1.155.332(Constant)231.597175.557
1.319.279QuadraticModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.551.304.0723.183The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression13.261113.2611.309.336Residual30.387310.129
Total43.6484
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS75.60366.075.5511.144.336(Constant)-171.983175.502
-.980.399
Excluded Terms
Beta IntSig.Partial CorrelationMinimum ToleranceGS ** 2a-184.630-1.365.306-.694.000a. The tolerance limit for entering variables is reached.
CubicModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.551.304.0723.183The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression13.261113.2611.309.336Residual30.387310.129
Total43.6484
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS75.60366.075.5511.144.336(Constant)-171.983175.502
-.980.399
Excluded Terms
Beta IntSig.Partial CorrelationMinimum ToleranceGS ** 2a-184.630-1.365.306-.694.000GS ** 3-92.274-1.363.306-.694.000a. The tolerance limit for entering variables is reached.
CompoundModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.580.337.116.108The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression.0181.0181.524.305Residual.0353.012
Total.0534
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS16.05236.0991.787.445.687(Constant).018.108
.167.878The dependent variable is ln(COHESION).
Power
Model SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.582.339.119.108The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression.0181.0181.538.303Residual.0353.012
Total.0534
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
ln(GS)7.4075.973.5821.240.303(Constant).021.121
.171.875The dependent variable is ln(COHESION).
S
Model SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.584.341.121.108The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression.0181.0181.553.301Residual.0353.012
Total.0534
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
1 / GS-19.76615.863-.584-1.246.301(Constant)10.7985.973
1.808.168The dependent variable is ln(COHESION).
GrowthModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.580.337.116.108The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression.0181.0181.524.305Residual.0353.012
Total.0534
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS2.7762.249.5801.234.305(Constant)-4.0175.973
-.672.549The dependent variable is ln(COHESION).
ExponentialModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.580.337.116.108The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression.0181.0181.524.305Residual.0353.012
Total.0534
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS2.7762.249.5801.234.305(Constant).018.108
.167.878The dependent variable is ln(COHESION).
LogisticModel SummaryRR SquareAdjusted R SquareStd. Error of the Estimate.580.337.116.108The independent variable is GS.
ANOVA
Sum of SquaresdfMean SquareFSig.Regression.0181.0181.524.305Residual.0353.012
Total.0534
The independent variable is GS.
Coefficients
Unstandardized CoefficientsStandardized CoefficientstSig.
BStd. ErrorBeta
GS.062.140.560.445.687(Constant)55.527331.668
.167.878The dependent variable is ln(1 / COHESION).
Since the coefficient with the least standard error is considered best, the best relationship is then expressed as;C = 0.18 + 2.776 Gs
