Research Article

Neural Network Modeling for Prediction of Weld Bead Geometry in Laser Microwelding

Table 4

Analysis of variance for testing adequacy of mathematical models.

Bead geometrySum of the squaresDegrees of freedom -ratio
RegressionResidualRegressionResidual

Bead depth, 20134.22683.5458108.790.000
Bead width, 8742.74748.355720.990.000

Tabulated values of : ; .