Table 4 Optimal AI training parameters for daily DNI task.

From: Comprehensive assessment, review, and comparison of AI models for solar irradiance prediction based on different time/estimation intervals

Location

Model

No. of hidden layers, [No. of neurons in each hidden layer]

Batch size

Epoch

Nigeria_Abuja Daily DNI

ANN

3, [200, 200, 50]

128

100

CNN-ANN

5, [150, 150 (), 150, 150]

512

50

CNN-LSTM-ANN

3, [100, 100, 100]

512

100

CNN

2, [150, 100]

512

200

LSTM

2, [100, 100]

512

100

Nigeria_Akure Daily DNI

ANN

3, [200, 200, 100]

128

100

CNN-ANN

5, [100, 32 (), 100, 32]

512

50

CNN-LSTM-ANN

3, [100, 100, 100]

512

100

CNN

2, [150, 100]

512

100

LSTM

2, [150, 100]

512

50

  1. The number of neurons in the hidden layers of the ANN models are written in bold italic; LSTM models in bold; CNN models in italics.
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