"Focus on Cecil's synopsis:
For 300 years the drift was slow but steady. After 1940, though — Professor Thomson provides a little chart that makes the point vividly — the drift rate fell off the table. The seasons have shifted more…"
"Continuing with the MegaMillions lottery, drawings are held twice a week. So if more than 4 people are struck by lightning per week, or more than 200 each year, you are more likely to be struck by lightning than winning the MegaMillions jackpot."
"Top of the head calculation:
As I recall, every year on the order of ten thousand people in the U.S. are struck by lightning (the majority survive). Estimating the U.S. population at four hundred million (to make the math easier) one gets on the…"
I don't have the Breiman, Friedman, Olshen, and Stone [BFOS] book immediately at hand, so my recollection however incomplete will have to suffice.
If I am not mistaken, for categorical variables CART considers only binary splits of…"