Estimate

Std. Error

t value

Pr(>|t|)

Signif. codesa

VIF

(Intercept)

64.416

9.541

6.751

5.07e−09

***

S2_G

−0.168

0.019

−8.556

3.38e−12

***

4.17

S2_R

0.084

0.015

5.720

3.04e−07

***

9.56

S2_NIR

0.010

0.001

6.614

8.82e−09

***

4.47