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financeLOW2026-04-19 15:38 UTC

PCR vs PLS: When Fewer Features Beat More

How much should a baseball team pay its players? The 1986 Major League season gives us 263 hitters with 19 statistics each: at-bats, hits, home runs, years played, and more. Predicting salary from performance sounds like a textbook regression problem, but 19 correlated features make it anything but.

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