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.
Este ejercicio forma parte del curso
Bayesian Regression Modeling with rstanarm
Instrucciones del ejercicio
- Estimate a model predicting
popularity
fromsong_age
andartist_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
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# 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
___[___:___, ___:___]