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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

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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)
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