Using ANN to Estimate the Critical Buckling Load of Y Shaped Cross-Section Steel Columns

Table 1

Summary information of RMSE, MAE, and R values over 1000 simulations by ANN.

	Min	Mean	Max	St. D
RMSE
Train 50	76.8	148.7	546.2	64.9
Train 60	71.7	149.6	1154.8	106.0
Train 70	62.0	132.7	356.7	49.8
Train 80	46.4	119.2	323.2	45.4
Train 90	32.5	116.6	337.4	51.2
MAE
Train 50	57.5	113.7	434.6	47.7
Train 60	53.9	115.5	570.7	58.1
Train 70	41.2	101.6	267.4	36.1
Train 80	32.7	93.0	300.4	36.3
Train 90	27.3	91.9	262.5	40.5
R
Train 50	0.186	0.809	0.959	0.130
Train 60	−0.488	0.809	0.960	0.157
Train 70	0.071	0.832	0.962	0.137
Train 80	0.141	0.859	0.981	0.110
Train 90	0.170	0.857	0.996	0.159