linear_regression.h

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//
//
/*
    Copyright (C) 2000- 2011, Hammersmith Imanet Ltd
    This file is part of STIR.

    SPDX-License-Identifier: Apache-2.0 AND License-ref-PARAPET-license

    See STIR/LICENSE.txt for details
*/
#ifndef __linear_regression_h__
#define __linear_regression_h__

#include "stir/VectorWithOffset.h"

START_NAMESPACE_STIR

template <class Value, class DataType, class CoordinatesType>
inline void linear_regression(Value& constant,
                              Value& scale,
                              Value& chi_square,
                              Value& variance_of_constant,
                              Value& variance_of_scale,
                              Value& covariance_of_constant_with_scale,
                              const VectorWithOffset<DataType>& measured_data,
                              const VectorWithOffset<CoordinatesType>& coordinates,
                              const VectorWithOffset<float>& weights,
                              const bool use_estimated_variance = true);

template <class Value, class DataIter, class CoordinatesIter, class WeightsIter>
inline void linear_regression(Value& constant,
                              Value& scale,
                              Value& chi_square,
                              Value& variance_of_constant,
                              Value& variance_of_scale,
                              Value& covariance_of_constant_with_scale,
                              DataIter measured_data_begin,
                              DataIter measured_data_end,
                              CoordinatesIter coords_begin,
                              WeightsIter weights_begin,
                              const bool use_estimated_variance = true);

template <class ValueIter, class DataIter, class CoordinatesIter, class WeightsIter>
inline void linear_regression(ValueIter regression_values_begin,
                              DataIter data_begin,
                              DataIter data_end,
                              CoordinatesIter coords_begin,
                              WeightsIter weights_begin,
                              const bool use_estimated_variance = true);

END_NAMESPACE_STIR

#include "stir/linear_regression.inl"

#endif // __linear_regression_h__