Drawing diagnostic plots
It's time for you to draw these diagnostic plots yourself. Let's go back to the Taiwan real estate dataset and the model of house prices versus number of convenience stores.
Recall that autoplot()
lets you specify which diagnostic plots you are interested in.
1
residuals vs. fitted values2
Q-Q plot3
scale-location
mdl_price_vs_conv
is available, and ggplot2
and ggfortify
are loaded.
This exercise is part of the course
Introduction to Regression in R
Exercise instructions
- Plot the three diagnostic plots (numbered
1
to3
) formdl_price_vs_conv
. Use a layout of three rows and one column.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Plot the three diagnostics for mdl_price_vs_conv
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