distance_metrics.hpp File Reference

Distance and similarity metrics. More...

#include <cmath>
#include <stdexcept>
#include <iterator>
#include <vector>

Include dependency graph for distance_metrics.hpp:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
namespace	statcpp

Functions
template<typename Iterator1 , typename Iterator2 >
double	statcpp::euclidean_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
	Euclidean distance (L2 norm)
template<typename Iterator1 , typename Iterator2 , typename Proj1 , typename Proj2 >
double	statcpp::euclidean_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, Proj1 proj1, Proj2 proj2)
	Euclidean distance with projection.
template<typename Iterator1 , typename Iterator2 >
double	statcpp::manhattan_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
	Manhattan distance (L1 norm, taxicab distance)
template<typename Iterator1 , typename Iterator2 , typename Proj1 , typename Proj2 >
double	statcpp::manhattan_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, Proj1 proj1, Proj2 proj2)
	Manhattan distance with projection.
template<typename Iterator1 , typename Iterator2 >
double	statcpp::cosine_similarity (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
	Cosine similarity.
template<typename Iterator1 , typename Iterator2 , typename Proj1 , typename Proj2 >
double	statcpp::cosine_similarity (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, Proj1 proj1, Proj2 proj2)
	Cosine similarity with projection.
template<typename Iterator1 , typename Iterator2 >
double	statcpp::cosine_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
	Cosine distance.
template<typename Iterator1 , typename Iterator2 , typename Proj1 , typename Proj2 >
double	statcpp::cosine_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, Proj1 proj1, Proj2 proj2)
	Cosine distance with projection.
double	statcpp::mahalanobis_distance (const std::vector< double > &x, const std::vector< double > &mean, const std::vector< std::vector< double > > &cov_matrix)
	Mahalanobis distance.
template<typename Iterator1 , typename Iterator2 >
double	statcpp::minkowski_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, double p)
	Minkowski distance (generalized Lp distance)
template<typename Iterator1 , typename Iterator2 , typename Proj1 , typename Proj2 >
double	statcpp::minkowski_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, double p, Proj1 proj1, Proj2 proj2)
	Minkowski distance with projection.
template<typename Iterator1 , typename Iterator2 >
double	statcpp::chebyshev_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
	Chebyshev distance (L∞ norm, maximum metric)
template<typename Iterator1 , typename Iterator2 , typename Proj1 , typename Proj2 >
double	statcpp::chebyshev_distance (Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2, Proj1 proj1, Proj2 proj2)
	Chebyshev distance with projection.

Detailed Description

Distance and similarity metrics.

Definition in file distance_metrics.hpp.