Predicted score distributions
Now let's practicing using posterior predictive scores to look at how our Spotify model fits to the real data.
Diese Übung ist Teil des Kurses
Bayesian Regression Modeling with rstanarm
Anleitung zur Übung
- Calculate the posterior predicted scores for
stan_model
- Print a summary of the observed popularity scores in the
songs
data - Compare this to a summary of the 1st and 10th replications
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
# Calculate posterior predictive scores
predictions <- ___(stan_model)
# Print a summary of the observed data
summary(songs$___)
# Print a summary of the 1st replication
summary(predictions[___,])
# Print a summary of the 10th replication
summary(predictions[___,])