Table 3 Summary of prediction results for thermal and electrical boundary conductance (TBC and EBC) of 75 electronically realistic crystalline–crystalline grain boundaries.

From: Robust combined modeling of crystalline and amorphous silicon grain boundary conductance by machine learning

 

Training set

Test set

Property

RMSE

MAPE

RMSE

MAPE

TBC (GWm−2K−1)

0.018

1.9%

0.026

2.3%

EBC (PSm−2)

0.066

5.4%

0.095

8.8%

EBC/TBC (MSKW−1)

0.114

6.7%

0.164

10.1%

  1. Root mean squared error (RMSE) and mean absolute percentage error (MAPE) were calculated as evaluation metrics.
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