sgp | R Documentation |
Fit Sparse Gaussian Process via variational inference
sgp(
y,
X = NULL,
X_ind = NULL,
m = 10,
kernel_func = Maternkernel,
kernel_param = c(0, 0),
mu = NULL,
s2 = NULL,
sigma2 = NULL,
opt_method = "L-BFGS-B",
fix_X_ind = T,
fix_kernel_param = F,
fix_sigma2 = F,
fix_mu = F,
l_b = -Inf,
r_b = Inf,
Jitter = 1e-05,
n_restart = 5,
verbose = FALSE
)
X, y |
training data X and response y. |
X_ind |
inducing point locations. |
m |
default number of X_ind is 10, if X_ind is not given as an input |
kernel_func, kernel_param |
Kernel functions to use, and their parameters |
mu |
prior mean |
s2 |
known variances |
sigma2 |
noise variance |
opt_method |
optimization method for estimating prior parameters in 'optim' |
l_b, r_b |
lower and upper bound of prior parameters |
Jitter |
added to diagonal of the Kernel matrix for numerical stability |
n_restart |
number of re-start of different kernel params values |
fix_ |
whether fix those parameters |
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