correlations.h File Reference

#include "pch.h"

Go to the source code of this file.

Classes
struct	opennn::Correlation
	Result of a correlation analysis: model parameters, fit quality, and the method/form used. More...

Namespaces
namespace	opennn

Functions
Correlation	opennn::linear_correlation (const VectorR &, const VectorR &)
	Pearson linear correlation between two equal-length vectors.
Correlation	opennn::logarithmic_correlation (const VectorR &, const VectorR &)
	Logarithmic correlation: fits y = a + b * log(x) and returns the resulting fit.
Correlation	opennn::exponential_correlation (const VectorR &, const VectorR &)
	Exponential correlation: fits y = a * exp(b * x) and returns the resulting fit.
Correlation	opennn::power_correlation (const VectorR &, const VectorR &)
	Power correlation: fits y = a * x^b and returns the resulting fit.
Correlation	opennn::logistic_correlation (const VectorR &, const VectorR &)
	Logistic correlation between two vectors (binary or continuous targets).
Correlation	opennn::logistic_correlation (const VectorR &, const MatrixR &)
	Logistic correlation between a vector predictor and a one-hot matrix target.
Correlation	opennn::logistic_correlation (const MatrixR &, const VectorR &)
	Logistic correlation between a one-hot matrix predictor and a vector target.
Correlation	opennn::logistic_correlation (const MatrixR &, const MatrixR &)
	Logistic correlation between two one-hot matrices.
Correlation	opennn::point_biserial_correlation (const VectorR &, const VectorR &)
	Point-biserial correlation between a binary vector and a continuous vector.
Correlation	opennn::eta_squared_correlation (const VectorR &, const MatrixR &)
	Eta-squared (effect-size) correlation between a continuous vector and a categorical matrix.
Correlation	opennn::correlation (const MatrixR &, const MatrixR &)
	Generic correlation between two matrices, dispatching on column types (binary, categorical, continuous).
Correlation	opennn::linear_correlation_spearman (const VectorR &, const VectorR &)
	Spearman rank correlation between two vectors using a linear fit on ranks.
VectorR	opennn::calculate_spearman_ranks (const VectorR &)
	Computes Spearman ranks (average rank for ties) for the entries of a vector.
Correlation	opennn::logistic_correlation_spearman (const VectorR &, const VectorR &)
	Spearman-rank logistic correlation between two vectors.
Correlation	opennn::correlation_spearman (const MatrixR &, const MatrixR &)
	Generic Spearman correlation between two matrices, dispatching on column types.
float	opennn::r_correlation_to_z_correlation (const float)
	Fisher r-to-z transform of a correlation coefficient.
float	opennn::z_correlation_to_r_correlation (const float)
	Inverse Fisher z-to-r transform.
pair< float, float >	opennn::confidence_interval_z_correlation (const float, Index)
	Returns the [lower, upper] confidence interval for a correlation given its sample size.
VectorR	opennn::autocorrelations (const VectorR &, Index=10)
	Autocorrelations of a series for lags 0..max_lag.
VectorR	opennn::cross_correlations (const VectorR &, const VectorR &, Index)
	Cross-correlations between two series for lags 0..max_lag.
MatrixR	opennn::get_correlation_values (const Tensor< Correlation, 2 > &)
	Extracts the coefficient r from a 2D tensor of Correlation values.