https://bugs.kde.org/show_bug.cgi?id=408535
Bug ID: 408535
Summary: regression: wrong calculation of chi^2 reduced for
fits
Product: LabPlot2
Version: latest
Platform: MS Windows
OS: MS Windows
Status: REPORTED
Severity: grave
Priority: NOR
Component: backend
Assignee: alexander.se...@web.de
Reporter: uwesto...@lyx.org
Target Milestone: ---
Created attachment 120756
--> https://bugs.kde.org/attachment.cgi?id=120756&action=edit
example plot
The main task for me with LabPlot is curve fitting but in version 2.6 there is
a bug leading to wrong calculations of the chi^2:
- open the attached plot
- recalculate the fit and look at the results: LP tells me I have a chi^2
reduced of 441. This is obviously wrong since the fit is not that bad. It looks
like it is around 2. And indeed, when performing the same fit with another
program I get a Chi^2 reduced of 1.9617.
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