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STA 6127 – Exam 3 Topics- Inference in Multiple Regression (11.4) t-test F-test- Regression Diagnostics (14.2) Histogram of Residuals (Normality) Residuals versus Predicted values (Constant standard deviation) Residuals versus explanatory variables (Linear Relation) Residuals versus Time (Independence when data are time series) Identifying Influential observations Studentized Residuals Leverage Values DFFITS DFBETAS Cook’s D- Multicollinearity (14.3) Effects of Multicollinearity Variance Inflation Factor- Nonlinearity: Polynomial Regression (14.4) Quadratic Regression Models Fitting and interpreting models Testing whether a relationship is linear vs nonlinear Generalized Linear Models  Random Component Systematic Component Link Function Logistic Regression Fitted Equation Tests for the Full Model Tests for Partial Regression Coefficients Odds Ratio Ordinal Regression Test for Association between Ordinal outcome and predictor(s) Goodness-of Fit


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UF STA 6127 - STA 6127 Exam 3 Topics

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