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Add --smooth-systs to smooth spline systematic ratios across reco bins - #618

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markrosslonergan merged 7 commits into
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feature/smooth-systs
Oct 17, 2026
Merged

markrosslonergan merged 7 commits into
developfrom
feature/smooth-systs

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@nathanielerowe

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Weighted local-linear Gaussian smoothing of the variation/CV ratios in FillSpline, applied per subchannel block and per axis for N-D binnings. Weights are the CV effective event counts, each block keeps its CV-weighted rate change, and the knob=0 point stays exactly 1. --smooth-systs-list restricts it to named systematics. norm and explicit_spline are never smoothed. Adds the header-only PROsmooth.h and a standalone Eigen-only test.

nathanielerowe and others added 7 commits October 13, 2026 13:04
Weighted local-linear Gaussian smoothing of the variation/CV ratios in FillSpline, applied per subchannel block and per axis for N-D binnings. Weights are the CV effective event counts, each block keeps its CV-weighted rate change, and the knob=0 point stays exactly 1. --smooth-systs-list restricts it to named systematics. norm and explicit_spline are never smoothed. Adds the header-only PROsmooth.h and a standalone Eigen-only test.
@markrosslonergan
markrosslonergan merged commit 1ce0336 into develop Oct 17, 2026
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