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Table 7 Correlation between the analyzed elements and discriminant functions

From: Multielement analysis coupled with chemometrics modelling for geographical origin classification of teff [Eragrostis tef (Zuccagni) Trotter] grains from Amhara Region, Ethiopia

Element

Mg

Ca

Mn

Fe

Zn

Cu

Ni

Cr

K

Cd

Co

Na

1

0.16

0.13

0.28

0.11

0.06

0.10

− 0.10

− 0.12

0.03

− 0.13

0.01

0.03

2

0.13

0.62

0.45

0.44

0.20

− 0.14

0.27

0.19

− 0.17

0.08

0.06

− 0.06

3

0.10

0.19

− 0.33

0.17

0.13

− 0.58

− 0.38

− 0.37

− 0.11

− 0.26

− 0.28

− 0.11

4

− 0.05

− 0.12

0.32

− 0.00

− 0.05

0.11

0.28

0.15

− 0.37

0.34

0.293

− 0.19

5

− 0.06

− 0.36

0.03

− 0.16

− 0.13

− 0.04

0.16

0.21

− 0.19

0.21

0.168

− 0.19