Table 2 Variables and their descriptions.

From: Hybrid deep learning framework for accurate classification of high dimensional genomic data

Variable

Description

X

Raw genomic data matrix with n samples and d features

Y

True class labels for each sample

\(\theta _T\)

Parameters of the TabNet feature selector

\(\theta _C\)

Parameters of the CNN classifier

\(W_r\)

Learnable weight vector for feature refinement

\(\widetilde{W}_r\)

Normalized refinement weights after softmax

F

Selected feature matrix from TabNet (size \(n\times k\))

\(F'\)

Refined feature matrix after applying \(W_r\)

\(C_i\)

i-th convolutional filter in the CNN layers

\(A_i\)

Activated output of convolution \(C_i\) after ReLU

\(P_i\)

Pooled output after applying max-pool to \(A_i\)

V

Flattened feature vector formed from all pooled maps

P

Prediction logits or probabilities from the CNN

\(\hat{Y}\)

Final predicted labels

\(A_T\)

Attention scores from TabNet (for interpretability)

\(A_C\)

Activation maps from CNN (for interpretability)