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![[Figure 5]](ok5107fig5mag.jpg)
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Figure 5
Estimation of the RMSE from the cross-validation scheme for average Cu–O/N (a) and Cu–Cu (b) distances by using a theoretical training set and limiting χ(k) to the [1.5…k] or [k…6.5] interval (relative to the baseline accuracy of the full range; closer to the baseline is better). Red curves show the variation of the uncertainty in the interatomic distance prediction when the left border of the interval is varied [meaning extension of χ(k) to lower k-values]. Black curves show the variation of the uncertainty when the right border of the interval is varied (i.e. extension of XANES to higher k-values). |
![[Figure 5]](ok5107fig5.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
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