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Practical exercises with R (r-project.org). III

Date of holding: 23/01/2020

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Covariance and correlation. Simple correlation, partial correlation, multiple correlation. The multiple linear regression model. Interpretation of the model. Estimation of the model and hypothesis testing. Explained and residual variance. ANOVA table. Multiple R squared. Adjusted R squared. Residuals and residual analysis. Variable selection: extra sum of squares. Log-linear regression. Polynomial regression. Model with interaction. Prediction.

Ángeles Saavedra
Departamento Estatística e investigación operativa, University of Vigo
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