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Inclusion of additional constraints (typically a penalty for complexity) in the model fitting process. Used to prevent overfitting / enhance predictive accuracy.

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Sign change in LASSO and RIDGE of coefficients

I am estimating in total three models: Logistic regression without any penalization (as benchmark model), logistic regression with L1 penalization (LASSO) and with L2 penalization (RIDGE). Now i recog …
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