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feat: posterior to Chi2 conversion#911

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KSkwarczynski merged 4 commits into
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kskwarczynski/feat/Chi2
May 20, 2026
Merged

feat: posterior to Chi2 conversion#911
KSkwarczynski merged 4 commits into
developfrom
kskwarczynski/feat/Chi2

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Pull request description

Posterior to Chi2 conversion is useful for comparing results with frequentist fitters.

Examples

image image image image image image

@KSkwarczynski KSkwarczynski self-assigned this May 19, 2026
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Hi @KSkwarczynski, thank you for contributing to MaCh3! Please wait for MaCh3 developers to review your PR. If no one answers within a week, please message people from this list: https://github.com/orgs/mach3-software/teams/mach3admin . While waiting, please enjoy this

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@github-actions github-actions Bot added Plotting 📊 plotting related MCMC 🎲 MCMC related labels May 19, 2026
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Hi, I am MaCh3-Telemetry bot

Memory and CPU Usage Summary

### Memory and CPU Usage Summary

| Metric  |     Mean    |      Max    |
|---------|-------------|-------------|
| **RAM** |   356.51 MB |   366.22 MB |
| **CPU** |    96.69 %  |    98.00 %  |

Memory Usage Plot

You can view the memory usage plot directly in the job summary from the link above.

Comment thread Fitters/MCMCProcessor.cpp Outdated
} else {
GroupNameCurr = "Other"; // Use Other for all legacy params
}
if (IamVaried[iPar] == false) continue;
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Minor comment, can this be changed to ParamVaried

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(this may not be in the scope of this PR)

Comment thread Fitters/MCMCProcessor.cpp
Comment thread Fitters/StatisticalUtils.cpp
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Small fixes need to stop accidental divisions by 0

Comment thread Fitters/StatisticalUtils.cpp
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lgtm

@KSkwarczynski KSkwarczynski merged commit 9009f84 into develop May 20, 2026
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@KSkwarczynski KSkwarczynski deleted the kskwarczynski/feat/Chi2 branch May 20, 2026 16:34
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