Mathematical Problems in Engineering / 2020 / Article / Tab 1

Research Article

Principal Component Analysis Based Dynamic Fuzzy Neural Network for Internal Corrosion Rate Prediction of Gas Pipelines

Table 1

Eigenvalue and cumulative variance contribution.

Principal componentEigenvalueCumulative variance contribution rate

17.97336.52
25.22259.86
32.98780.35
41.50286.62
50.41289.44
60.39892.38
70.21495.95
80.17797.72
90.09899.76
100.02899.89

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