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Nonlinear Regression Modeling for Engineering Applications: Modeling, Model Validation, and Enabling Design of Experiments
ISBN:
9781118597965
No. of Pages:
400
Publisher:
ASME-Wiley
Publication date:
2016
eBook Chapter
20 Troubleshooting
Page Count:
10
-
Published:2016
Citation
"Troubleshooting." Nonlinear Regression Modeling for Engineering Applications: Modeling, Model Validation, and Enabling Design of Experiments. Ed. Rhinehart, RR. ASME-Wiley, 2016.
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You may encounter any number of diverse issues in nonlinear regression that may be related to either regression (optimization), modeling, or experiments. This chapter summarizes many and provides advice to solve them.
20.1
Introduction
20.2Bimodal and Multimodal Residuals
20.3Trends in the Residuals
20.4Parameter Correlation
20.5Convergence Criterion – Too Tight, Too Loose
20.6Overfitting (Memorization)
20.7Solution Procedure Encounters Execution Errors
20.8Not a Sharp CDF (OF)
20.9Outliers
20.10Average Residual Not Zero
20.11Irrelevant Model Coefficients
20.12Data Work-Up after the Trials
20.13Too Many rs!
20.14Propagation of Uncertainty Does Not Match Residuals
20.15Multiple Optima
20.16Very Slow Progress
20.17All Residuals are Zero
20.18Takeaway
Exercises
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