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Figure 4
Correlation heatmaps for CNN models trained on XRD data from (a) CeO2, (b) Tb2BaCoO5 and (c) PbSO4. The matrices display Pearson correlation coefficients between Rietveld refinement parameters, with red indicating positive correlations and blue indicating negative correlations. The color intensity corresponds to the correlation strength, with darker colors representing stronger correlations.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 2| April 2026| Pages 564-577
https://doi.org/10.1107/S1600576726001494
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