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MANE 6313

Week 6, Module G

Student Learning Outcome

  • Select an appropriate experimental design with one or more factors,
  • Select an appropriate model with one or more factors,
  • Evaluate statistical analyses of experimental designs,
  • Assess the model adequacy of any experimental design, and
  • Interpret model results.

Module Learning Outcome

Analyze model assumptions for general factorial designs.

Check Model Assumptions for Problem 5.9

Problem 5.9 AOV

Create Standardized Residuals

  • Should be default version for homework and projects

Problem 5.9 Standardized Residuals

Normality Assumption

  • Using code from Week 4, Module C
  • Can be applied to either the raw or standardized residuals and results will be the same

Normality Check

Wilks-Shapiro Normality Test

Wilks-Shapiro

Residuals Versus Time

Residuals vs. Time plot

Residuals versus Fitted Values

residuals versus fitted values

Residuals Versus Feed Rate - Plain Version

plain residual plot

Resduals Versus Feed Rate - Fancy Version

residuals versus feed rate

Residuals Versus Depth of Cut

residuals vs. Depth of Cut