LoslegenKostenlos loslegen

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

Kurs anzeigen

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[___,])
Code bearbeiten und ausführen