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Research questionHow should generalized additive models choose spline knots to balance fit and basis complexity?The number and placement of spline knots determine a model’s basis dimension, smoothness, and ability to fit data. Choosing them manually or controlling smoothness indirectly creates a tradeoff between goodness of fit and model complexity.
Machine Learning
Research Paper
Statistical Machine Learning
Latest papersRecent research connected to this question, newest first.Automatic knot selection in smooth additive modelsThe source concerns explicit automatic knot selection for generalized additive models. Evidence comes from synthetic and real datasets, with comparisons against P-splines and other knot-selection techniques; the reported results indicate comparable performance using substantially fewer basis elements.research paper · Sep 4, 2026
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