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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.

Cet exercice fait partie du cours

Bayesian Regression Modeling with rstanarm

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Instructions

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

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

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

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