KERNEL Subcommand (KRR command)

The KERNEL subcommand specifies of a variety of kernel functions. Most kernels involve one or more tuning parameters. Kernel options and their default parameter values follow.

ADDITIVE_CHI2
ALPHA=1 GAMMA=1
CHI2
ALPHA=1 GAMMA=1
COSINE
ALPHA=1
LAPLACIAN
ALPHA=1 GAMMA=1/p
LINEAR
ALPHA=1
POLYNOMIAL
ALPHA=1 GAMMA=1/p COEF0=1 DEGREE=3
RBF
ALPHA=1 GAMMA=1/p
SIGMOID
ALPHA=1 GAMMA=1/p COEF0=1