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feat: add sampling from cov matrix #61

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Merged
merged 3 commits into from
Jun 21, 2025
Merged

feat: add sampling from cov matrix #61

merged 3 commits into from
Jun 21, 2025

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@pfackeldey
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@pfackeldey pfackeldey commented Jun 20, 2025 •
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This PR adds sampling from the cov matrix. I need to better understand if this is correct though (example/toy_generation.py):

Exp.: [36.95273]
Obs.: [37.]
1 toy: [[37.855755]]
Mean of 10.000 toys: [37.694954]
Std of 10.000 toys: [6.064754]

I'd expect mean of 10k toys to be ~Exp. here in the postfit case. Am I doing something wrong?

edit: it seems that this may happen if we're not dealing with perfect symmetrical gaussian as the likelihood.

@pfackeldey pfackeldey merged commit 8ed794f into main Jun 21, 2025
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@pfackeldey pfackeldey deleted the feat_correct_sampling branch June 21, 2025 20:01
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