2/6/2023
See Sec3.2R
- More on Multiple Regression
- Inference for multiple regression
- Partitioning Variability
- Adjusted R-squared
- Confidence intervals for a mean response
- Prediction intervals for a new response
R Demonstration
- See Kids198.R script for a variety of new commands
See Sec3.3R
- Comparing two regression lines
- Fitting separate regression lines (for different levels of a group variable)
- Indicator variables
- Comparing intercepts
- Comparing slopes
- Nested F-test
In class exercise
Please read Section 3.4 for class on Wednesday.