E6. To be completed after lesson 19

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Exercise 6.1

Describe in words the posterior predictive distribution.

Exercise 6.2

What is the use in computing the pointwise log likelihood for each posterior sample?

Exercise 6.3

Why are graphical posterior predictive checks still necessary, and indeed essential, when we can compute WAICs and LOOs?

Exercise 6.4

Write down any questions you may have.