Resistance Spot Welding Optimization Based on Artificial Neural Network

Table 3

Show calculation of the mean squared error (MSE).

Number	Shear strength (kN)	ANN prediction	Squared error	Number	Shear strength (kN)	ANN prediction	Squared error	Number	Shear strength (kN)	ANN prediction	Squared error
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MSE = 0.053978