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Determine Prior Distributions

Now let's explore the prior distributions for a Bayesian model, so that we can understand how rstanarm handles priors. Priors can have a large impact on our model, so it's important to know which prior distributions were used in an estimated model. The songs dataset is already loaded.

This exercise is part of the course

Bayesian Regression Modeling with rstanarm

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Exercise instructions

  • Estimate a model predicting popularity from song_age
  • Print a summary of the prior distributions to the screen

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Estimate the model
stan_model <- ___(___ ~ ___, data = songs)

# Print a summary of the prior distributions
___(stan_model)
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