We're going to regularly add a few pieces of content about Causal Impact as they come up on Data Skeptic. Check back later for more interesting things!
Your cart is empty.
If you take the union of your cart and the null set, you get your cart again. It's a closed form.
There aren't that many items in the store at this point. You could randomly select one if you'd like.
Data science, statistics, machine learning, artificial intelligence, and scientific skepticism.