examples::logistic_regression Namespace Reference

Functions
template<typename T , size_t dim>
T	calc_norm (const std::array< T, dim > &weights, const std::array< T, dim > &new_weights)
template<typename T , size_t dim>
auto	gradient (const bool &y, const std::array< T, dim > &x, const std::array< T, dim > &w)
template<typename T , size_t dim, typename InStack , typename Element = std::array<T, dim>>
auto	logit_test (const DIA< std::pair< bool, Element >, InStack > &data, const Element &weights)
template<typename T , size_t dim, typename InStack , typename Element = std::array<T, dim>>
auto	logit_train (const DIA< std::pair< bool, Element >, InStack > &data, size_t max_iterations, double gamma=0.002, double epsilon=0.0001)
template<typename T >
T	sigmoid (const T &x)

Variables
static constexpr bool	debug = true

Function Documentation

calc_norm()

T examples::logistic_regression::calc_norm	(	const std::array< T, dim > &	weights,
		const std::array< T, dim > &	new_weights
	)

Definition at line 43 of file logistic_regression.hpp.

References dim.

Referenced by logit_train().

gradient()

auto examples::logistic_regression::gradient	(	const bool &	y,
		const std::array< T, dim > &	x,
		const std::array< T, dim > &	w
	)

Definition at line 54 of file logistic_regression.hpp.

References dim, and sigmoid().

Referenced by LeastSquaresGradient< Vector >::Compute(), and logit_train().

logit_test()

auto examples::logistic_regression::logit_test	(	const DIA< std::pair< bool, Element >, InStack > &	data,
		const Element &	weights
	)

Definition at line 106 of file logistic_regression.hpp.

References sigmoid().

logit_train()

auto examples::logistic_regression::logit_train	(	const DIA< std::pair< bool, Element >, InStack > &	data,
		size_t	max_iterations,
		double	gamma = 0.002,
		double	epsilon = 0.0001
	)

Definition at line 67 of file logistic_regression.hpp.

References calc_norm(), dim, and gradient().

sigmoid()

T examples::logistic_regression::sigmoid ( const T &  x )

inline

Definition at line 38 of file logistic_regression.hpp.

Referenced by gradient(), and logit_test().

Variable Documentation

debug

constexpr bool debug = true

static

Definition at line 35 of file logistic_regression.hpp.