Exercise

Posterior Predictive Testing

Now let's practice comparing our replicated predictions to our observed data more than one at a time. By comparing our data to all replications, we can assess how well the model fits the data.

Instructions

100 XP

Plot the density of predicted scores from replication compared to the observed density
Create a scatter plot of the mean and standard deviations of the replicated predicted scores compared to the observed data

Take Hint (-30 XP)