-true</code></pre></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L10-L33">source</a></section></details></article><article><details class="docstring" open="true"><summary id="SurrogatesBase.AbstractStochasticSurrogate"><a class="docstring-binding" href="#SurrogatesBase.AbstractStochasticSurrogate"><code>SurrogatesBase.AbstractStochasticSurrogate</code></a> — <span class="docstring-category">Type</span></summary><section><div><pre><code class="language-julia hljs">abstract type AbstractStochasticSurrogate end</code></pre><p>An abstract type for stochastic surrogates.</p><p>See also <a href="#SurrogatesBase.finite_posterior"><code>finite_posterior</code></a>.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L36-L42">source</a></section></details></article><article><details class="docstring" open="true"><summary id="SurrogatesBase.finite_posterior"><a class="docstring-binding" href="#SurrogatesBase.finite_posterior"><code>SurrogatesBase.finite_posterior</code></a> — <span class="docstring-category">Function</span></summary><section><div><pre><code class="language-julia hljs">finite_posterior(s::AbstractStochasticSurrogate, xs::AbstractVector)</code></pre><p>Return a posterior distribution at points <code>xs</code>.</p><p>An <code>AbstractStochasticSurrogate</code> might implement some or all of the following methods on the returned object:</p><ul><li><code>mean(finite_posterior(s,xs))</code> returns a <code>Vector</code> of posterior means at <code>xs</code></li><li><code>var(finite_posterior(s,xs))</code> returns a <code>Vector</code> of posterior variances at <code>xs</code></li><li><code>mean_and_var(finite_posterior(s,xs))</code> returns a <code>Tuple</code> consisting of a <code>Vector</code> of posterior means and a <code>Vector</code> of posterior variances at <code>xs</code></li><li><code>rand(finite_posterior(s,xs))</code> returns a <code>Vector</code>, which is a sample from the joint</li></ul><p>posterior at points <code>xs</code></p><p>Use <code>mean(finite_posterior(s, eachslice(X, dims = 2)))</code> if <code>X</code> is a matrix.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L86-L101">source</a></section></details></article><article><details class="docstring" open="true"><summary id="SurrogatesBase.hyperparameters"><a class="docstring-binding" href="#SurrogatesBase.hyperparameters"><code>SurrogatesBase.hyperparameters</code></a> — <span class="docstring-category">Function</span></summary><section><div><pre><code class="language-julia hljs">hyperparameters(s)</code></pre><p>Returns current values of hyperparameters.</p><p>See also <a href="#SurrogatesBase.update_hyperparameters!"><code>update_hyperparameters!</code></a>.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L77-L83">source</a></section></details></article><article><details class="docstring" open="true"><summary id="SurrogatesBase.parameters"><a class="docstring-binding" href="#SurrogatesBase.parameters"><code>SurrogatesBase.parameters</code></a> — <span class="docstring-category">Function</span></summary><section><div><pre><code class="language-julia hljs">parameters(s)</code></pre><p>Returns current values of parameters used in surrogate <code>s</code>.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L59-L63">source</a></section></details></article><article><details class="docstring" open="true"><summary id="SurrogatesBase.update!"><a class="docstring-binding" href="#SurrogatesBase.update!"><code>SurrogatesBase.update!</code></a> — <span class="docstring-category">Function</span></summary><section><div><pre><code class="language-julia hljs">update!(s, new_xs::AbstractVector, new_ys::AbstractVector)</code></pre><p>Include data <code>new_ys</code> at points <code>new_xs</code> into the surrogate <code>s</code>, i.e., refit the surrogate <code>s</code> to incorporate new data points.</p><p>If the surrogate <code>s</code> is a deterministic surrogate, the <code>new_ys</code> correspond to function evaluations, if <code>s</code> is a stochastic surrogate, the <code>new_ys</code> are samples from a conditional probability distribution.</p><p>Use <code>update!(s, eachslice(X, dims = 2), new_ys)</code> if <code>X</code> is a matrix.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L45-L56">source</a></section></details></article><article><details class="docstring" open="true"><summary id="SurrogatesBase.update_hyperparameters!"><a class="docstring-binding" href="#SurrogatesBase.update_hyperparameters!"><code>SurrogatesBase.update_hyperparameters!</code></a> — <span class="docstring-category">Function</span></summary><section><div><pre><code class="language-julia hljs">update_hyperparameters!(s, prior)</code></pre><p>Update the hyperparameters of the surrogate <code>s</code> by performing hyperparameter optimization using the information in <code>prior</code>. After changing hyperparameters of <code>s</code>, fit <code>s</code> to past data.</p><p>See also <a href="#SurrogatesBase.hyperparameters"><code>hyperparameters</code></a>.</p></div><a class="docs-sourcelink" target="_blank" href="https://github.com/SciML/SurrogatesBase.jl/blob/352e6d48146d87ac5d03d96cc432e1e543937641/src/SurrogatesBase.jl#L66-L74">source</a></section></details></article></article><nav class="docs-footer"><a class="docs-footer-prevpage" href="../interface/">« The SurrogateBase Interface</a><div class="flexbox-break"></div><p class="footer-message">Powered by <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> and the <a href="https://julialang.org/">Julia Programming Language</a>.</p></nav></div><div class="modal" id="documenter-settings"><div class="modal-background"></div><div class="modal-card"><header class="modal-card-head"><p class="modal-card-title">Settings</p><button class="delete"></button></header><section class="modal-card-body"><p><label class="label">Theme</label><div class="select"><select id="documenter-themepicker"><option value="auto">Automatic (OS)</option><option value="documenter-light">documenter-light</option><option value="documenter-dark">documenter-dark</option><option value="catppuccin-latte">catppuccin-latte</option><option value="catppuccin-frappe">catppuccin-frappe</option><option value="catppuccin-macchiato">catppuccin-macchiato</option><option value="catppuccin-mocha">catppuccin-mocha</option></select></div></p><hr/><p>This document was generated with <a href="https://github.com/JuliaDocs/Documenter.jl">Documenter.jl</a> version 1.17.0 on <span class="colophon-date" title="Tuesday 26 May 2026 13:58">Tuesday 26 May 2026</span>. 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