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Table 3

Range of parameters tested for the fully connected NN and optimal values for MARCS and PHOENIX data.

nl Layers nn Neurons/layer Activation Batch size

16–28 64–128 lkrelu, elu 128, 64, 32
Optimal values
(MARCS CAE71)
22 71 elu 64
(PHOENIX CAE96)
16 96 elu 64

Notes. For both MARCS and PHOENIX, the best configurations have the resulting dimensionality reduction (no) equal to the neurons per layer (nn) which are no = nl = 71 and 96, respectively.

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