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@charles_addai: OPANIN ALBERT KWAME KYEI A.K.A MR. KYEI

CHARLES MULTI-MEDIA
CHARLES MULTI-MEDIA
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Friday 02 October 2026 17:59:54 GMT
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Why quants penalize their own models? Ridge regression (Hoerl & Kennard, 1970) adds a penalty on coefficient size. You trade a bit of training accuracy for much more stable out-of-sample predictions. It works best when you have many correlated features, few observations, and low signal-to-noise -> basically most quant finance setups. Limitations: ridge never drops variables, assumes linearity and standardized features, and λ must be chosen carefully (usually cross-validation). It reduces variance but it doesn’t magically fix overfitting. #quant #finance #trading #algotrading #machinelearning
Why quants penalize their own models? Ridge regression (Hoerl & Kennard, 1970) adds a penalty on coefficient size. You trade a bit of training accuracy for much more stable out-of-sample predictions. It works best when you have many correlated features, few observations, and low signal-to-noise -> basically most quant finance setups. Limitations: ridge never drops variables, assumes linearity and standardized features, and λ must be chosen carefully (usually cross-validation). It reduces variance but it doesn’t magically fix overfitting. #quant #finance #trading #algotrading #machinelearning
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