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Table 9 Comparison of different numbers of GRU layers in the MCGRU model

From: Multi-Scale Convolutional Gated Recurrent Unit Networks for Tool Wear Prediction in Smart Manufacturing

Dataset

c1

Number of GRU layers

MAE

RMSE

2

6.87

8.27

4

7.02

8.92

6

7.13

9.45

8

6.97

8.67

  1. The bold value means the best results