regress_linear.h File Reference

linear regression More...

#include "a.h"

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Data Structures
struct	a_regress_linear
	instance structure for linear regression More...

Typedefs
typedef struct a_regress_linear	a_regress_linear
typedef struct a_regress_linear	a::regress_linear

Functions
void	a_regress_linear_init (a_regress_linear *ctx, double *coef_p, size_t coef_n, double bias)
	initialize for linear regression
double	a_regress_linear_eval (a_regress_linear const *ctx, double const *val)
	calculate predicted value for linear regression
void	a_regress_linear_err1 (a_regress_linear const *ctx, size_t n, double const *x, double const *y, double *err)
	calculate residuals for linear regression
void	a_regress_linear_err2 (a_regress_linear const *ctx, size_t n, double const *const *x, double const *y, double *err)
	calculate residuals for linear regression
void	a_regress_linear_pdm1 (a_regress_linear const *ctx, size_t n, double const *x, double *pdm, double y_mean)
	calculate prediction deviation from mean for linear regression
void	a_regress_linear_pdm2 (a_regress_linear const *ctx, size_t n, double const *const *x, double *pdm, double y_mean)
	calculate prediction deviation from mean for linear regression
void	a_regress_linear_gd (a_regress_linear *ctx, double const *input, double error, double alpha)
	gradient descent for linear regression
void	a_regress_linear_sgd (a_regress_linear *ctx, double const *x, double y, double alpha)
	stochastic gradient descent for linear regression
void	a_regress_linear_sgd1 (a_regress_linear *ctx, size_t n, double const *x, double const *y, double alpha)
	stochastic gradient descent for linear regression
void	a_regress_linear_sgd2 (a_regress_linear *ctx, size_t n, double const *const *x, double const *y, double alpha)
	stochastic gradient descent for linear regression
void	a_regress_linear_bgd1 (a_regress_linear *ctx, size_t n, double const *x, double const *err, double alpha)
	batch gradient descent for linear regression
void	a_regress_linear_bgd2 (a_regress_linear *ctx, size_t n, double const *const *x, double const *err, double alpha)
	batch gradient descent for linear regression
double	a_regress_linear_mgd1 (a_regress_linear *ctx, size_t n, double const *x, double const *y, double *err, double delta, double lrmax, double lrmin, size_t lrtim, size_t epoch, size_t batch)
	mini-batch gradient descent for linear regression
double	a_regress_linear_mgd2 (a_regress_linear *ctx, size_t n, double const *const *x, double const *y, double *err, double delta, double lrmax, double lrmin, size_t lrtim, size_t epoch, size_t batch)
	mini-batch gradient descent for linear regression
void	a_regress_linear_zero (a_regress_linear *ctx)
	zeroing for linear regression

Detailed Description

linear regression

https://en.wikipedia.org/wiki/Linear_regression