Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Gaussian Mixture Model(also: GMM)
- A Gaussian Mixture Model (GMM) is a probabilistic model that represents data as a weighted combination of multiple Gaussian (normal) distributions. Each component Gaussian has its own mean and covariance, allowing GMMs to model complex, multimodal distributions. In speech…
- Growth mixture model(also: GMM, Latent class growth model)
- A statistical method that identifies unobserved subpopulations (latent classes) within a dataset based on distinct patterns of change over time. In accessibility research, growth mixture models can reveal that a seemingly homogeneous user group actually contains distinct…
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