Coulda, Woulda, Shoulda

The March Madness competitions have the perfect trifecta for regret: repeated leaderboard feedback, ability to tweak probabilities based on personal biases, and a wealth of different data points. So what would you do differently for next year? I would gamble more. The only tweak I did was changing the round 1 probabilities for seed 1s to 100% on one submission. I should have gambled a lot more because my two submissions are so similar. I didn’t notice this cause I just saw that the predicted champions were different without realizing all the probabilities are within 2-3% of each other. Adjustments based on injuries. Wichita St was a lot stronger going into round 1 cause a starter got off the injury list. The reverse is true for Cal. My models seem…


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