0000595: IMPLEMENTED: 4-parameter and 5-parameter logistic fitting

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Category

Severity

Reproducibility

Date Submitted

Last Update

0000595

[ALGLIB] Interpolation

feature

have not tried

2014-02-24 11:29

2014-05-14 11:46

Reporter

SergeyB

View Status

public

Assigned To

SergeyB

Priority

normal

Resolution

implemented

Status

resolved

Product Version

Summary

0000595: IMPLEMENTED: 4-parameter and 5-parameter logistic fitting

Description

Five fitting functions:
* LogisticFit4 - implements 4PL (four parameter logistic) fitting
* LogisticFit5 - implements 5PL (five parameter logistic) fitting
* LogisticFit4EC - implements 4PL (four parameter logistic) fitting with equality constraints
* LogisticFit5EC - implements 5PL (five parameter logistic) fitting with equality constraints
* LogisticFit45X - "expert" functions which implements 4PL and 5PL (depending on control flags) and allows better control of fitting process.

Two function to calculate 4PL/5PL model:
* LogisticCalc4 - to calculate 4PL model with correct handling of degenerate cases
* LogisticCalc5 - to calculate 5PL model with correct handling of degenerate cases

Additional Information

Programming language

Unspecified

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Issue History
Date Modified	Username	Field	Change
2014-02-24 11:29	SergeyB	New Issue
2014-02-24 11:29	SergeyB	Status	new => assigned
2014-02-24 11:29	SergeyB	Assigned To	=> SergeyB
2014-02-24 11:29	SergeyB	Programming language	=> Unspecified
2014-02-24 14:55	SergeyB	Status	assigned => resolved
2014-02-24 14:55	SergeyB	Resolution	open => implemented
2014-02-24 14:56	SergeyB	Fixed in Version	=> Next 'Optimization' release
2014-04-29 11:56	SergeyB	Description Updated
2014-05-14 11:46	SergeyB	Description Updated

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