rtc::PrincipalComponentAnalysis< T, N > Class Template Reference

#include <rtcPCA.h>

List of all members.

Public Types
typedef std::vector< Vec< T, N > >	VecData
Public Member Functions
SMat< T, N > &	computeTransformMatrix (const VarMat< T > &data)
	Compute transform matrix.
SMat< T, N > &	computeTransformMatrix (const VecData &data)
	Compute transform matrix.
	PrincipalComponentAnalysis ()
	Constructor.
VecData &	transform (VecData &data) const
	Transforms the data according to a previously computed transformation matrix.
VarMat< T > &	transform (VarMat< T > &data) const
	Transforms the data according to a previously computed transformation matrix.
Vec< T, N > &	transform (Vec< T, N > &srcdest) const
	Transforms a single vector according to a previously computed transformation matrix.
Vec< T, N > &	transform (const Vec< T, N > &src, Vec< T, N > &dest) const
	Transforms a single vector according to a previously computed transformation matrix.
	~PrincipalComponentAnalysis ()
	Destructor.
Public Attributes
SMat< T, N >	correlation_coefficient
Vec< T, N >	eigen_values
SMat< T, N >	eigen_vectors
Vec< T, N >	offset
SMat< T, N >	transform_matrix
Protected Member Functions
SMat< T, N > &	covarianceMatrixOfRows (const VecData &src, SMat< T, N > &covariance) const
Vec< T, N > &	meanOfRows (const VecData &src, Vec< T, N > &mean) const
Protected Attributes
bool	transform_matrix_computed

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Detailed Description

template<class T, int N>
class rtc::PrincipalComponentAnalysis< T, N >

It receives a set of input vectors in form of a matrix (each row of the matrix corresponds to an input vector), which will be transformed with PCA.

Definition at line 37 of file rtcPCA.h.

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Member Typedef Documentation

template<class T, int N>

typedef std::vector< Vec<T,N> > rtc::PrincipalComponentAnalysis< T, N >::VecData

Definition at line 40 of file rtcPCA.h.

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Constructor & Destructor Documentation

template<class T , int N>

rtc::PrincipalComponentAnalysis< T, N >::PrincipalComponentAnalysis

(

)

[inline]

Constructor.

Ctor that accepts system matrix.

Definition at line 81 of file rtcPCA.h.

template<class T , int N>

rtc::PrincipalComponentAnalysis< T, N >::~PrincipalComponentAnalysis

(

)

[inline]

Destructor.

Dtor to delete memory and indicate conclusion

Definition at line 88 of file rtcPCA.h.

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Member Function Documentation

template<class T , int N>

SMat< T, N > & rtc::PrincipalComponentAnalysis< T, N >::computeTransformMatrix

(

const VarMat< T > &

data

)

[inline]

Compute transform matrix.

Definition at line 117 of file rtcPCA.h.

template<class T , int N>

SMat< T, N > & rtc::PrincipalComponentAnalysis< T, N >::computeTransformMatrix

(

const VecData &

data

)

[inline]

Compute transform matrix.

Definition at line 93 of file rtcPCA.h.

template<class T , int N>

SMat< T, N > & rtc::PrincipalComponentAnalysis< T, N >::covarianceMatrixOfRows	(	const VecData &	src,
		SMat< T, N > &	covariance
	)			const [inline, protected]

Definition at line 228 of file rtcPCA.h.

template<class T , int N>

Vec< T, N > & rtc::PrincipalComponentAnalysis< T, N >::meanOfRows	(	const VecData &	src,
		Vec< T, N > &	mean
	)			const [inline, protected]

The meanOfRows means the mean of all rows, i.e. a row vector containing (for the arithmetical mean) the sum of all row vectors divided by the number of rows.

Definition at line 217 of file rtcPCA.h.

template<class T , int N>

std::vector< Vec< T, N > > & rtc::PrincipalComponentAnalysis< T, N >::transform

(

VecData &

data

)

const [inline]

Transforms the data according to a previously computed transformation matrix.

Definition at line 201 of file rtcPCA.h.

template<class T , int N>

VarMat< T > & rtc::PrincipalComponentAnalysis< T, N >::transform

(

VarMat< T > &

data

)

const [inline]

Transforms the data according to a previously computed transformation matrix.

Definition at line 182 of file rtcPCA.h.

template<class T , int N>

Vec< T, N > & rtc::PrincipalComponentAnalysis< T, N >::transform

(

Vec< T, N > &

srcdest

)

const [inline]

Transforms a single vector according to a previously computed transformation matrix.

Definition at line 166 of file rtcPCA.h.

template<class T , int N>

Vec< T, N > & rtc::PrincipalComponentAnalysis< T, N >::transform	(	const Vec< T, N > &	src,
		Vec< T, N > &	dest
	)			const [inline]

Transforms a single vector according to a previously computed transformation matrix.

Definition at line 150 of file rtcPCA.h.

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Member Data Documentation

template<class T, int N>

SMat<T,N> rtc::PrincipalComponentAnalysis< T, N >::correlation_coefficient

Definition at line 71 of file rtcPCA.h.

template<class T, int N>

Vec<T,N> rtc::PrincipalComponentAnalysis< T, N >::eigen_values

Definition at line 74 of file rtcPCA.h.

template<class T, int N>

SMat<T,N> rtc::PrincipalComponentAnalysis< T, N >::eigen_vectors

Definition at line 72 of file rtcPCA.h.

template<class T, int N>

Vec<T,N> rtc::PrincipalComponentAnalysis< T, N >::offset

Definition at line 70 of file rtcPCA.h.

template<class T, int N>

SMat<T,N> rtc::PrincipalComponentAnalysis< T, N >::transform_matrix

Definition at line 73 of file rtcPCA.h.

template<class T, int N>

bool rtc::PrincipalComponentAnalysis< T, N >::transform_matrix_computed [protected]

Definition at line 67 of file rtcPCA.h.

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The documentation for this class was generated from the following file:

• rtcPCA.h