Remaining Useful Life Prediction Techniques of Electric Valves for Nuclear Power Plants with Convolution Kernel and LSTM

Table 2

Average test losses with different num_layers in LSTM.

num_layer	1	2	3
Explained_variance_score	0.86	0.902	0.88
Mean_absolute_error	4.19	2.94	3.78
Mean_squared_error	23.62	17.55	22.56
R2_score	0.85	0.90	0.88