gurls::PredPrimal< T > Class Template Reference

PredPrimal is the sub-class of Prediction that computes the predictions of a linear classifier in the primal formulation.

#include <primal.h>

Inheritance diagram for gurls::PredPrimal< T >:

Collaboration diagram for gurls::PredPrimal< T >:

List of all members.

Public Member Functions
OptMatrix< gMat2D< T > > *	execute (const gMat2D< T > &X, const gMat2D< T > &Y, const GurlsOptionsList &opt)
	Computes the predictions of the linear classifier stored in the field optimizer of opt and computed using the primal formulation on the samples passed in the X matrix.
Static Public Member Functions
static Prediction< T > *	factory (const std::string &id) throw (BadPredictionCreation)
	Factory function returning a pointer to the newly created object.

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Detailed Description

template<typename T>
class gurls::PredPrimal< T >

Definition at line 68 of file primal.h.

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Member Function Documentation

template<typename T >

OptMatrix< gMat2D< T > > * gurls::PredPrimal< T >::execute	(	const gMat2D< T > &	X,
		const gMat2D< T > &	Y,
		const GurlsOptionsList &	opt
	)		[virtual]

Parameters:

X	input data matrix
Y	labels matrix
opt	options with the following: optimizer (settable with the class Optimizers and its subclasses)

Returns:

pred matrix of predicted labels

Implements gurls::Prediction< T >.

Definition at line 84 of file primal.h.

{
    if (opt.hasOpt("optimizer"))
    {
        const gMat2D<T>& W = opt.getOptValue<OptMatrix<gMat2D<T> > >("optimizer.W");

        gMat2D<T>* Z = new gMat2D<T>(X.rows(), W.cols());

        dot(X.getData(), W.getData(), Z->getData(), X.rows(), X.cols(), W.rows(), W.cols(), Z->rows(), Z->cols(), CblasNoTrans, CblasNoTrans, CblasColMajor);

        return new OptMatrix<gMat2D<T> >(*Z);
    }
    else
       throw gException(gurls::Exception_Required_Parameter_Missing);
}

template<typename T>

static Prediction<T>* gurls::Prediction< T >::factory

(

const std::string &

id

)

throw (BadPredictionCreation) [inline, static, inherited]

Warning:

The returned pointer is a plain, un-managed pointer. The calling function is responsible of deallocating the object.

Definition at line 112 of file pred.h.

    {
        if(id == "primal")
            return new PredPrimal<T>;
        if(id == "dual")
            return new PredDual<T>;
        if(id == "gpregr")
            return new PredGPRegr<T>;
        if(id == "randfeats")
            return new PredRandFeats<T>;

        throw BadPredictionCreation(id);
    }

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

• primal.h