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Risk Models with Generalized PLS

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While developing risk models with hundreds of potential variables, we often run into the situation that risk characteristics or macro-economic indicators are highly correlated, namely multicollinearity. In such cases, we might have to drop variables with high VIFs or employ “variable shrinkage” methods, e.g. lasso or ridge, to suppress variables with colinearity. Feature extraction approaches based on PCA and PLS…
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