Objectives#
Compute a single step of the collapsed evidence lower bound. |
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Evaluate the leave-one-out log predictive probability of the Gaussian process following section 5.4.2 of Rasmussen et al. 2006 - Gaussian Processes for Machine Learning. |
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Evaluate the marginal log-likelihood of the Gaussian process. |
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Compute the evidence lower bound of a variational approximation. |
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Compute the evidence lower bound of a heteroscedastic approximation. |
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Generic chained bound for heteroscedastic likelihoods. |
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Tight bound from Lazaro-Gredilla & Titsias (2011) for heteroscedastic Gaussian likelihoods. |
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The log-posterior density of a non-conjugate Gaussian process. |
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The log-posterior density of a non-conjugate Gaussian process. |
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Compute the variational expectation. |