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.
Questo esercizio fa parte del corso
Bayesian Regression Modeling with rstanarm
Istruzioni dell'esercizio
- Calculate the posterior distribution of the R-squared statistic
- Create a histogram of the R-squared distribution
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# Calculate the posterior distribution of the R-squared
r2_posterior <- ___(stan_model)
# Make a histogram of the distribution
___(r2_posterior)