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Table 1 Analysis of variance for labor energy (LE), fuel energy (FE), total machinery cost (TMC), total machinery energy (TME)

From: Prediction of environmental indicators in land leveling using artificial intelligence techniques

Model Source Sum of squares df Mean square F value P value Prob > F
LE model Model 2.8587 1 2.8587 4277.61 < 0.0001
Cut-fill volume (V) 2.8587 1 2.8587 4277.61 < 0.0001
FE model Model 6.4788 1 6.4788 3931.00 < 0.0001
Cut-fill volume (V) 6.4788 1 6.4788 3931.00 < 0.0001
TMC model Model 2.73712 1 2.73712 4023.17 < 0.0001
Cut-fill volume (V) 2.73712 1 2.73712 4023.17 < 0.0001
TME model Model 1.08611 1 1.08611 4311.77 < 0.0001
Cut-fill volume (V) 1.08611 1 1.08611 4311.77 < 0.0001