Bidirectional imputation of spatial GPS trajectories with missingness using sparse online Gaussian Process.
Gang LiuJukka-Pekka OnnelaPublished in: J. Am. Medical Informatics Assoc. (2021)
Keyphrases
- gaussian process
- missing values
- missing data
- covariance function
- sparse approximations
- hyperparameters
- gaussian processes
- sparse approximation
- gaussian process regression
- approximate inference
- regression model
- model selection
- bayesian framework
- gaussian process classification
- latent variables
- gaussian process models
- incomplete data
- cross validation
- expectation propagation
- marginal likelihood
- semi supervised
- sparse representation
- high dimensional
- decision trees
- sample size
- feature space