frequency_distribution.hpp File Reference

Frequency distribution table creation and frequency-related calculations. More...

#include <cstddef>
#include <functional>
#include <iterator>
#include <map>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include <vector>

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Classes
struct	statcpp::frequency_entry< T >
	Frequency table entry. More...
struct	statcpp::frequency_table_result< T >
	Frequency table result. More...

Namespaces
namespace	statcpp

Functions
template<typename Iterator >
auto	statcpp::frequency_table (Iterator first, Iterator last) -> frequency_table_result< typename std::iterator_traits< Iterator >::value_type >
	Create frequency table (returned with sorted keys)
template<typename Iterator , typename Projection >
auto	statcpp::frequency_table (Iterator first, Iterator last, Projection proj) -> frequency_table_result< std::invoke_result_t< Projection, typename std::iterator_traits< Iterator >::value_type > >
	Frequency table with projection.
template<typename Iterator >
auto	statcpp::frequency_count (Iterator first, Iterator last) -> std::unordered_map< typename std::iterator_traits< Iterator >::value_type, std::size_t >
	Return frequency for each value (unordered_map version, fast)
template<typename Iterator , typename Projection >
auto	statcpp::frequency_count (Iterator first, Iterator last, Projection proj) -> std::unordered_map< std::invoke_result_t< Projection, typename std::iterator_traits< Iterator >::value_type >, std::size_t >
	Frequency count with projection.
template<typename Iterator >
auto	statcpp::relative_frequency (Iterator first, Iterator last) -> std::unordered_map< typename std::iterator_traits< Iterator >::value_type, double >
	Return relative frequency for each value.
template<typename Iterator , typename Projection >
auto	statcpp::relative_frequency (Iterator first, Iterator last, Projection proj) -> std::unordered_map< std::invoke_result_t< Projection, typename std::iterator_traits< Iterator >::value_type >, double >
	Relative frequency with projection.
template<typename Iterator >
auto	statcpp::cumulative_frequency (Iterator first, Iterator last) -> std::vector< std::pair< typename std::iterator_traits< Iterator >::value_type, std::size_t > >
	Return cumulative frequency (for sorted values)
template<typename Iterator , typename Projection >
auto	statcpp::cumulative_frequency (Iterator first, Iterator last, Projection proj) -> std::vector< std::pair< std::invoke_result_t< Projection, typename std::iterator_traits< Iterator >::value_type >, std::size_t > >
	Cumulative frequency with projection.
template<typename Iterator >
auto	statcpp::cumulative_relative_frequency (Iterator first, Iterator last) -> std::vector< std::pair< typename std::iterator_traits< Iterator >::value_type, double > >
	Return cumulative relative frequency (for sorted values)
template<typename Iterator , typename Projection >
auto	statcpp::cumulative_relative_frequency (Iterator first, Iterator last, Projection proj) -> std::vector< std::pair< std::invoke_result_t< Projection, typename std::iterator_traits< Iterator >::value_type >, double > >
	Cumulative relative frequency with projection.

Detailed Description

Frequency distribution table creation and frequency-related calculations.

Provides functions for frequency distribution including frequency tables, relative frequency, cumulative frequency, etc. Useful for analyzing categorical and discrete data.

Definition in file frequency_distribution.hpp.