Search Results for author: Jarno Vanhatalo

Found 4 papers, 3 papers with code

Correcting boundary over-exploration deficiencies in Bayesian optimization with virtual derivative sign observations

1 code implementation4 Apr 2017 Eero Siivola, Aki Vehtari, Jarno Vanhatalo, Javier González, Michael Riis Andersen

Bayesian optimization (BO) is a global optimization strategy designed to find the minimum of an expensive black-box function, typically defined on a compact subset of $\mathcal{R}^d$, by using a Gaussian process (GP) as a surrogate model for the objective.

Bayesian Optimization

A Bayesian length-based population dynamics model for northern shrimp (Pandalus Borealis)

1 code implementation29 Sep 2015 Paul Blomstedt, Jarno Vanhatalo, Mats Ulmestrand, Anna Gårdmark, Samu Mäntyniemi

We introduce a fully length-based Bayesian model for the population dynamics of northern shrimp (Pandalus Borealis).

Applications

Bayesian Modeling with Gaussian Processes using the GPstuff Toolbox

1 code implementation25 Jun 2012 Jarno Vanhatalo, Jaakko Riihimäki, Jouni Hartikainen, Pasi Jylänki, Ville Tolvanen, Aki Vehtari

The prior over functions is defined implicitly by the mean and covariance function, which determine the smoothness and variability of the function.

Gaussian Processes

Gaussian process regression with Student-t likelihood

no code implementations NeurIPS 2009 Jarno Vanhatalo, Pasi Jylänki, Aki Vehtari

In this work, we discuss the properties of a Gaussian process regression model with the Student-t likelihood and utilize the Laplace approximation for approximate inference.

regression

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