Table 1 Statistical parameters for different models.

From: Removal of drug and dye from aqueous solutions by graphene oxide: Adsorption studies and chemometrics methods

Source

ENF

RhB

Std. Dev.

R-Squared

Adjusted R-Squared

Predicted R-Squared

PRESS

Std. Dev.

R-Squared

Adjusted R-Squared

Predicted R-Squared

PRESS

Remarks

Linear

7.30

0.8247

0.7910

0.7396

2058.45

5.85

0.8312

0.7988

0.7788

1166.38

---

2FI

7.69

0.8803

0.7680

−0.1949

9444.49

7.29

0.8387

0.6874

−0.8010

9496.29

---

Quadratic

0.96

0.9987

0.9963

0.9781

172.92

0.39

0.9997

0.9991

0.9979

11.09

Suggested

Cubic

1.18

0.9989

0.9945

0.2891

5618.79

0.50

0.9997

0.9985

0.9621

199.69

Aliased

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