Multiple Regression and Confounding

Because life isn’t bivariate

11/06 - 11/12

Learning Path

Where we’ve been

Learning how a third variable can modify the relationship between two explanatory and response variables.

Where we’re at

Learning how to expand regression models to include more than 1 predictor, and how to fit other non-linear regression models.

Objectives

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Calculate and interpret estimates for multiple slopes in multiple regression models

Fit multiple regression models with categorical variables.

Calculate and interpret confidence and prediction intervals for the slope value

Interpret effects of categorical predictors on regression outcomes

Visually assess assumptions of regression models

Learning Materials

Slides (Will open in full screen. Right click to open in a new tab)

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📚 Reading

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PMA6 Ch 8

PMA6 Ch 10.3

Assignments

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Assessment

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