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