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Basis expansions

b_rff()
Random Fourier feature basis
b_bart() bart_depth_prior()
Bayesian Additive Regression Tree (BART) features
b_inter()
N-way interaction basis
b_ker()
Exact kernel feature basis

Kernels

k_rbf() k_lapl() k_rq() k_matern() k_per()
Kernel functions
`*`(<kernel>) `+`(<kernel>)
Kernel arithmetic

Modeling

Functions for modeling and interfacing with other modeling packages.

ridge() fitted(<ridge>) coef(<ridge>) predict(<ridge>)
Ridge regression
step_basis()
Recipe step for basis expansions