https://pizza.rs/tags/normalize/Recent content in Normalize on INFINI PizzaHugoenhttps://pizza.rs/docs/references/aggregation/pipeline/normalize/Mon, 01 Jan 0001 00:00:00 +0000https://pizza.rs/docs/references/aggregation/pipeline/normalize/<h1 id="normalize-aggregation"> Normalize aggregation <a class="anchor" href="#normalize-aggregation">#</a> </h1> <p>A parent pipeline aggregation <strong>rescaling</strong> a bucket metric into a share or rank — e.g. each bucket&rsquo;s revenue as a percent of the total (<code>percent_of_sum</code>), a <code>0..1</code> position (<code>rescale_0_1</code>), or standard deviations from the mean (<code>z-score</code>).</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-json" data-lang="json"><span class="line"><span class="cl"><span class="s2">&#34;share&#34;</span><span class="err">:</span> <span class="p">{</span> </span></span><span class="line"><span class="cl"> <span class="nt">&#34;normalize&#34;</span><span class="p">:</span> <span class="p">{</span> <span class="nt">&#34;buckets_path&#34;</span><span class="p">:</span> <span class="s2">&#34;per_type&gt;revenue&#34;</span><span class="p">,</span> <span class="nt">&#34;method&#34;</span><span class="p">:</span> <span class="s2">&#34;percent_of_sum&#34;</span> <span class="p">}</span> </span></span><span class="line"><span class="cl"><span class="p">}</span> </span></span></code></pre></div><h2 id="how-it-works"> How it works <a class="anchor" href="#how-it-works">#</a> </h2> <p>In this engine <code>normalize</code> is evaluated in the <strong>sibling placement</strong>: declare it <strong>next to</strong> the bucket aggregation and point <code>buckets_path</code> at the series with the full <code>parent&gt;metric</code> form. The engine collects one value per bucket, applies the chosen <code>method</code> across the whole series, and emits a standalone buckets array (keys <code>0..n−1</code>) with one <code>value</code> per consumed bucket.</p>