Mantis - ALGLIB
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595 Interpolation feature have not tried 2014-02-24 11:29 2014-05-14 11:46
SergeyB  
SergeyB  
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resolved  
implemented  
none    
none 3.9.0  
Unspecified
0000595: IMPLEMENTED: 4-parameter and 5-parameter logistic fitting
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
Issue History
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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