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Figure 7.2 Only two different x-values observed - the second-order model is not estimable

Figure 7.2 Only two different x-values observed - the second-order model is not estimable

Tải bản đầy đủ - 27trang

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Figure 7.3 SAS output for

interaction model, Example 7.3



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Figure 7.4 SPSS regression

printout for grandfather clock model



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Section 7.4

Multicollinearity



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Figure 7.5 SAS regression printout

for FTC model



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Figure 7.6 SAS correlation matrix for

independent variables in FTC model



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Section 7.5

Extrapolation:

Predicting

Outside the

Experimental

Region



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Figure 7.7 Using a regression model

outside the experimental region



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Figure 7.2 Only two different x-values observed - the second-order model is not estimable

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