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Mathematics · L4 · Model selection and validation pipeline

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Model selection and validation pipeline: train/test split, cross-validation, and diagnostic plots.

by @openstemUpdated Mathematics
Raw DataExploratory Data Analysis(histograms, scatter plots, correlations)Feature Engineering(transform, encode, scale)Train / Validation / Test SplitFit Model(OLS, Lasso, Ridge, Logistic)Diagnostics(residual plots, VIF, Cook's D)Assumptionsmet?Cross-Validation(k-fold CV)Evaluate on Test Set(RMSE, R², AUC-ROC)Report + DeployNoYes

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