as.kernelMatrix | R Documentation |
as.kernelMatrix
in package kernlab can be used
to coerce the kernelMatrix class to matrix objects representing a
kernel matrix. These matrices can then be used with the kernelMatrix
interfaces which most of the functions in kernlab support.
## S4 method for signature 'matrix'
as.kernelMatrix(x, center = FALSE)
x |
matrix to be assigned the |
center |
center the kernel matrix in feature space (default: FALSE) |
Alexandros Karatzoglou
alexandros.karatzoglou@ci.tuwien.ac.at
kernelMatrix
, dots
## Create toy data
x <- rbind(matrix(rnorm(10),,2),matrix(rnorm(10,mean=3),,2))
y <- matrix(c(rep(1,5),rep(-1,5)))
### Use as.kernelMatrix to label the cov. matrix as a kernel matrix
### which is eq. to using a linear kernel
K <- as.kernelMatrix(crossprod(t(x)))
K
svp2 <- ksvm(K, y, type="C-svc")
svp2
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