MultitaskTraceLogisticRegression.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Copyright (C) 2012 Sergey Lisitsyn
 */

#ifndef  MULTITASKTRACELOGISTICREGRESSION_H_
#define  MULTITASKTRACELOGISTICREGRESSION_H_

#include <shogun/lib/config.h>

#include <shogun/transfer/multitask/MultitaskLogisticRegression.h>

namespace shogun
{
class CMultitaskTraceLogisticRegression : public CMultitaskLogisticRegression
{

    public:
        MACHINE_PROBLEM_TYPE(PT_BINARY)

        
        CMultitaskTraceLogisticRegression();

        CMultitaskTraceLogisticRegression(
             float64_t rho, CDotFeatures* training_data,
             CBinaryLabels* training_labels, CTaskGroup* task_relation);

        virtual ~CMultitaskTraceLogisticRegression();

        void set_rho(float64_t rho);

        float64_t get_rho() const;

        virtual const char* get_name() const
        {
            return "MultitaskTraceLogisticRegression";
        }

    private:

        void init();

    protected:

        virtual bool train_machine(CFeatures* data=NULL);

        virtual bool train_locked_implementation(SGVector<index_t>* tasks);

    protected:

        float64_t m_rho;

};
}
#endif