When does encoding a numeric feature help a model? A localization account: a fixed basis (PLE) helps when the feature's risk-vs-value shape is sharp/localized — even for a free-nonlinearity model — while a learned projection wins on smooth/curved. Eight-cycle ml-lab investigation.
machine-learning deep-learning tabular-data pytorch gru feature-engineering fraud-detection sequence-models piecewise-linear-encoding numeric-encoding
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Updated
Jul 17, 2026 - Python