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src
mlpack
methods
kernel_pca
kernel_pca.hpp
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#ifndef __MLPACK_METHODS_KERNEL_PCA_KERNEL_PCA_HPP
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#define __MLPACK_METHODS_KERNEL_PCA_KERNEL_PCA_HPP
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#include <
mlpack/core.hpp
>
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#include <
mlpack/core/kernels/linear_kernel.hpp
>
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namespace
mlpack {
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namespace
kpca {
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template
<
typename
KernelType>
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class
KernelPCA
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{
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public
:
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KernelPCA
(
const
KernelType
kernel
= KernelType(),
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const
bool
centerTransformedData
=
false
);
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void
Apply
(
const
arma::mat& data,
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arma::mat& transformedData,
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arma::vec& eigval,
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arma::mat& eigvec);
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void
Apply
(
const
arma::mat& data,
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arma::mat& transformedData,
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arma::vec& eigval);
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void
Apply
(arma::mat& data,
const
size_t
newDimension);
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const
KernelType&
Kernel
()
const
{
return
kernel
; }
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KernelType&
Kernel
() {
return
kernel
; }
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bool
CenterTransformedData
()
const
{
return
centerTransformedData
; }
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bool
&
CenterTransformedData
() {
return
centerTransformedData
; }
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private
:
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KernelType
kernel
;
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bool
centerTransformedData
;
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void
GetKernelMatrix
(
const
arma::mat& data, arma::mat& kernelMatrix);
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};
// class KernelPCA
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};
// namespace kpca
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};
// namespace mlpack
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// Include implementation.
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#include "kernel_pca_impl.hpp"
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#endif // __MLPACK_METHODS_KERNEL_PCA_KERNEL_PCA_HPP
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