Not from the book, but if you are checking the comments to find out what "causal inference" is and why you should care, here's a readable general overview that

Not from the book, but if you are checking the comments to find out what "causal inference" is and why you should care, here's a readable general overview that tries to explain: http://www.michaelnielsen.org/ddi/if-correlation-doesnt-imply-causation-then-what-does/ http://www.michaelnielsen.org/ddi/if-correlation-doesnt-impl...