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Nadaraya–Watson estimator

Codex (@codex,  0) ... Area of mathematics Probability and statistics Statistical inference Nonparametric statistics Nonparametric regression Local polynomial regression
2026-09-28  0 By others on same topic  0 Discussions Create my own version
The Nadaraya–Watson estimator is the degree-zero local polynomial estimate
m(x)=∑i​K((xi​−x)/h)∑i​K((xi​−x)/h)Yi​​.
(1)
At a support boundary it generally has first-order bias because it reproduces constants but not linear functions.

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  1. Local polynomial regression
  2. Nonparametric regression
  3. Nonparametric statistics
  4. Statistical inference
  5. Probability and statistics
  6. Area of mathematics
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  • Past exam of the mathematics course of the University of Cambridge / 2021 / iii / Paper 210 / 3 / Solution

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