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Table 3 Dependence of extracted features y1 and y2 on original features

From: Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition

Original feature

y1

y2

Si

−0.31

−0.42

K

0.69

−0.18

Ca

−0.10

−0.20

Ti

−0.35

0.07

Mn

0.04

0.37

Fe

0.01

0.01

Zn

0.01

−0.07

Rb

0.36

−0.002

Sr

0.08

0.04

Zr

−0.39

−0.78