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Sparse Factor Analysis for Learning and Content Analytics
factor analysis sparse probit regression sparse logistic regression Bayesian latent factor analysis personalized learning
2013/4/28
We develop a new model and algorithms for machine learning-based learning analytics, which estimate a learner's knowledge of the concepts underlying a domain, and content analytics, which estimate the...
Spatial Dynamic Factor Analysis
Bayesian inference forecasting Gaussian process spatial interpolation random fields
2009/9/22
A new class of space-time models derived from standard dynamic fac-
tor models is proposed. The temporal dependence is modeled by latent factors
while the spatial dependence is modeled by the factor...
Expected Posterior Priors in Factor Analysis。