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QuadraticRegression


Header: FIL.h
Namespace: fil
Module: FoundationBasic

Computes quadratic regression of given point set.

Syntax

C++
C#
 
void fil::QuadraticRegression
(
	const ftl::Array<float>& inYValues,
	ftl::Optional<const ftl::Array<float> &> inXValues,
	fil::QuadraticFunction& outQuadraticFunction,
	ftl::Array<float>& outEstimatedValues,
	ftl::Array<float>& outResiduals,
	float& outRSquared
)

Parameters

Name Type Default Description
Input value
 inYValues const Array<float>& Sequence of ordinates
Input value
 inXValues Optional<const Array<float> &> NIL Sequence of abscissae, or {0, 1, 2, ...} by default
Output value
 outQuadraticFunction QuadraticFunction& Quadratic function approximating the given point set
Output value
 outEstimatedValues Array<float>& The result of application of the computed function to the X values
Output value
 outResiduals Array<float>& Difference between an input Y value and the corresponding estimated value
Output value
 outRSquared float& Coefficient of determination of output function

Errors

List of possible exceptions:

Error type Description
DomainError Inconsistent size of arrays in QuadraticRegression.