نتایج جستجو برای: gaussian processes

تعداد نتایج: 598040  

Journal: :Statistics and Computing 2023

Nonstationary Gaussian process models can capture complex spatially varying dependence structures in spatial data. However, the large number of observations modern datasets makes fitting such computationally intractable with conventional dense linear algebra. In addition, derivative-free or even first-order optimization methods be slow to converge when estimating many parameters. We present her...

Journal: :The Annals of Applied Statistics 2022

Interstellar dust corrupts nearly every stellar observation and accounting for it is crucial to measuring physical properties of stars. We model the distribution as a spatially varying latent field with Gaussian process (GP) develop likelihood inference method that scales millions astronomical observations. Modeling interstellar complicated by two factors. The first integrated data come from va...

Journal: :Probabilistic Engineering Mechanics 2022

Numerical solutions of stochastic problems involving random processes X(t), which constitutes infinite families variables, require to represent these by finite dimensional (FD) models Xd(t), i.e., deterministic functions time depending on numbers d variables. Most available FD match the mean, correlation, and other global properties X(t). They provide useful information a broad range problems, ...

Journal: :Applied and Computational Harmonic Analysis 2020

Journal: :Statistics & Probability Letters 2020

Journal: :Transactions of the American Mathematical Society 1961

Journal: :Proceedings of the American Mathematical Society 1956

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