Popularity for Observed Songs
Let's practice making predictions about song popularity from the Spotify songs data. This will get us used to the syntax we will use for making predictions for new data that was not observed.
Deze oefening maakt deel uit van de cursus
Bayesian Regression Modeling with rstanarm
Oefeninstructies
- Estimate a model predicting
popularityfromsong_ageandartist_name - Print a summary of the estimated model
- Create posterior distributions of the predicted scores for each song
- Print the first 10 predicted scores for the first 5 songs
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Estimate the regression model
stan_model <- stan_glm(___, data = songs)
# Print the model summary
___(stan_model)
# Get posteriors of predicted scores for each observation
posteriors <- ___(stan_model)
# Print 10 predicted scores for 5 songs
___[___:___, ___:___]