Mixtures of spatial factor analyzers for tensor-variate data

arXiv:2607.07887 · stat.ME, stat.ML · Submitted 2026-07-08 · Read on arXiv

stat.ME, stat.ML

Submitted: 2026-07-08

Updated: 2026-10-10

Comments: 31 pages, 19 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Clustering — 24× in this paper · explained in 2 episodes
• Accuracy — 12× in this paper · explained in 1 episode
• Hyperparameters — 5× in this paper · explained in 2 episodes
• Parsimony — 5× in this paper · explained in 2 episodes
• Computational Efficiency — 4× in this paper · explained in 2 episodes
• Objective Function — 4× in this paper · explained in 2 episodes
• Sparsity — 4× in this paper · explained in 5 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Dimensionality Reduction — 3× in this paper · explained in 2 episodes
• Inflation — 3× in this paper · explained in 2 episodes
• Parameterization — 3× in this paper · explained in 2 episodes
• Generative Model — 2× in this paper · explained in 2 episodes
• Sigmoid Decay — 2× in this paper
• Abundance — 1× in this paper · explained in 1 episode
• Analogous to the Parsimonious Gaussian Mixture Models — 1× in this paper
• Anisotropy — 1× in this paper · explained in 4 episodes
• Benchmarking — 1× in this paper · explained in 4 episodes
• Composition — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Editor — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Latent Variables — 1× in this paper · explained in 2 episodes
• Monotonicity — 1× in this paper · explained in 2 episodes
• Overfitting — 1× in this paper · explained in 2 episodes
• Projected Gradient Descent — 1× in this paper
• Pruning — 1× in this paper · explained in 4 episodes
• Redundancy — 1× in this paper · explained in 2 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Spectral Signature — 1× in this paper · explained in 2 episodes
• Structural Constraints — 1× in this paper · explained in 2 episodes
• Structural Properties — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Unified Framework — 1× in this paper · explained in 6 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• A Mixture of Matrix Variate Bilinear Factor Analyzers
• Mixtures of Contaminated Matrix Variate Normal Distributions

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