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Figure 5
The spectral importance subsampling distribution (purple) for prior knowledge on the absorption spectra of three (potentially) present iron/iron-oxides. The incident energies (on the x-axis, in eV) where the most variance is explained are subsampled with higher probabilities. Visually, it can be noted that the highest probabilities occur near the edges of the spectra. Scans at these energies will likely contain the most discriminating information about the sample.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 5| September 2026|
https://doi.org/10.1107/S1600577526006491
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