R-squared Posterior
First, let's get a posterior distribution of the R-squared statistic so we can make inferences about how predictive our model is likely to be. The stan_model using the Spotify data is already loaded.
This exercise is part of the course
Bayesian Regression Modeling with rstanarm
Exercise instructions
- Calculate the posterior distribution of the R-squared statistic
- Create a histogram of the R-squared distribution
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Calculate the posterior distribution of the R-squared
r2_posterior <- ___(stan_model)
# Make a histogram of the distribution
___(r2_posterior)