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Equation 5 · Ten Ways an Agent Evaluation Can Mislead You Even When It's Working Correctly

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UU

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the highest m selects simultaneously for high. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.

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UU

Symbol U

the highest m selects simultaneously for high.

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for some error term ε\varepsilon uncorrelated with U , then selecting the run with the highest M selects simultaneously for high U and for large favorable ε\varepsilon — the optimizer is drawn toward the tail of the error term as reliably as toward genuine capability, and the more intensely M is optimized, the larger a share of the observed gain is ε\varepsilon rather than U .

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