Table 4 The comparison of prediction accuracy indicators of various algorithms.

From: Prediction and optimization method for welding quality of components in ship construction

Prediction model

R2

MAPE (%)

RMSE

BP

0.659

39.83

0.4933

PSO-BP

0.809

12.53

0.2121

APB

0.952

1.77

0.0709

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