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Everything about Functional regression

Type of regression analysis

Functional regression is a version of regression analysis when responses or covariates include functional data. Functional regression models can be classified into four types depending on whether the responses or covariates are functional or scalar: (i) scalar responses with functional covariates, (ii) functional responses with scalar covariates, (iii) functional responses with functional covariates, and (iv) scalar or functional responses with functional and scalar covariates. In addition, functional regression models can be linear, partially linear, or nonlinear. In particular, functional polynomial models, functional single and multiple index models and functional additive models are three special cases of functional nonlinear models. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Functional regressionA 5-minute orientation
  2. Skim a recent paper: Functional linear regression with Huber lossInfluential work since 2022
  3. Pick up a classic book: Gaussian process regression analysis for functional dataThe most-reprinted book on the subject
  4. Read the landmark paper: Prediction in functional linear regressionCited 424 times
  5. Go sideways: Functional data analysisA closely related topic
  6. Go sideways: Lasso (statistics)A closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

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