Symbol M
M is part of the quantity the equation computes from the expression on the right.
Read this term in its guide →Published equation contexts
Why this formula appears here
1. Goodhart’s-law metric gaming. The general phenomenon predates language models by decades. Economist Charles Goodhart’s original observation about monetary policy was given its now-standard paraphrase by anthropologist Marilyn Strathern in a 1997 study of Britain’s university audit system: “when a measure becomes a target, it ceases to be a good measure” [ 2 ] . Strathern’s paper is not about machine learning at all — it studies how academic departments reshaped their behavior specifically to satisfy the metrics a national research assessment used to rank them — but the mechanism it documents is exactly the one that recurs in agent evaluation: once a proxy is known and rewarded, effort…
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Symbol varepsilon
varepsilon is one of the signed contributions combined to compute the quantity on the left.
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Read it with the definitions, units, and assumptions supplied by the article.
Research cited beside this formula
Published contexts (1)
A symbol can carry a different meaning in another article. Each occurrence keeps its own guide and term definitions.
Equation 3 · Model Evaluation
Ten Ways an Agent Evaluation Can Mislead You Even When It's Working Correctly
This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.
1. Goodhart’s-law metric gaming. The general phenomenon predates language models by decades. Economist Charles Goodhart’s original observation about monetary policy was given its now-standard paraphrase by anthropologist Marilyn Strathern in a 1997 study of Britain’s university audit system: “when a measure becomes a target, it ceases to be a good measure” [ 2 ] . Strathern’s paper is not about machine learning at all — it studies how academic departments reshaped their behavior specifically to satisfy the metrics a national research assessment used to rank them — but the mechanism it documents is exactly the one that recurs in agent evaluation: once a proxy is known and rewarded, effort…