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Site updated at 2017-03-18 17:12:07 UTC

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Statistics Sensor
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<p>The <code class="highlighter-rouge">statistics</code> sensor platform is consuming the state from other sensors. Beside the maximal and the minimal value also the total, the mean, the median, the variance, and the standard deviation are as attributes available. If it’s a binary sensor then only the state changes are counted.</p>
<p>It can take time till the sensor starts to work because a couple of attributes need more than one value to do the calculation.</p>
<p>To enable the statistics sensor, add the following lines to your <code class="highlighter-rouge">configuration.yaml</code>:</p>
<div class="language-yaml highlighter-rouge"><pre class="highlight"><code><span class="c1"># Example configuration.yaml entry</span>
<span class="s">sensor</span><span class="pi">:</span>
<span class="pi">-</span> <span class="s">platform</span><span class="pi">:</span> <span class="s">statistics</span>
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<span class="s">entity_id</span><span class="pi">:</span> <span class="s">binary_sensor.movement</span>
</code></pre>
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<p>Configuration variables:</p>
<ul>
<li><strong>entity_id</strong> (<em>Required</em>): The entity to monitor. Only <a href="/components/sensor/">sensors</a> and <a href="/components/binary_sensor/">binary sensor</a>.</li>
<li><strong>name</strong> (<em>Optional</em>): Name of the sensor to use in the frontend. Defaults to <code class="highlighter-rouge">Stats</code>.</li>
<li><strong>sampling_size</strong> (<em>Optional</em>): Size of the sampling. If the limit is reached then the values are rotated. Defaults to <code class="highlighter-rouge">20</code>.</li>
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