Table 20 Contribution of variance.

From: Multi-objective design and optimization of squeezed branch pile based on orthogonal test

PCA

Eigen values

Principal component extraction

Eigen

% of Variance

Cum. % of Variance

Eigen

% of Variance

Cum. % of Variance

1

3.249

54.153

54.153

3.249

54.153

54.153

2

2.236

37.260

91.413

2.236

37.260

91.413

3

0.431

7.181

98.594

4

0.056

0.938

99.531

5

0.020

0.336

99.867

6

0.008

0.133

100.000