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Table 3 Model Summary Statistics

From: Immobilized Rhizopus oryzaelipase catalyzed synthesis of palm stearin and cetyl alcohol wax esters: Optimization by Response Surface Methodology

Source

Standard deviation

R-Squared

Adjusted R-Squared

Predicted R-Squared

PRESS

Linear a

17.050

0.611

0.514

0.232

9179.793

2FI

18.598

0.711

0.421

-5.630

79274.413

Quadratic a

8.884

0.960

0.868

-5.867

82113.127

Cubic b

5.785

0.989

0.944

 

+

  1. 2FI = two factor interaction;
  2. PRESS = predicted residual error sum of squares;
  3. a: suggested model to be selected;
  4. b: aliased model not to be selected
  5. + Case with leverage of 1: PRESS statistic not defined.