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Gaussian Process Regression

2 questionsDifficulty 5-7View topic

Intermediate

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intermediate (5/10)conceptual

In Gaussian process regression, the kernel function

k (x, x^{'})

encodes assumptions about the function being modeled. What does the squared exponential (RBF) kernel

k (x, x^{'}) = σ^{2} exp (- ∥ x - x^{'} ∥^{2} / (2 l^{2}))

assume about the target function?