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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Probability_density_function</id>
		<title>Probability density function - Revision history</title>
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		<updated>2026-05-15T00:42:13Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Probability_density_function&amp;diff=220816&amp;oldid=prev</id>
		<title>Designing Buildings at 09:00, 20 December 2021</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Probability_density_function&amp;diff=220816&amp;oldid=prev"/>
				<updated>2021-12-20T09:00:19Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
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		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 09:00, 20 December 2021&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[https://www.ciria.org/ItemDetail?iProductCode=C786F&amp;amp;amp;Category=FREEPUBS Culvert, screen and outfall manual, (CIRIA C786)] published by CIRIA in 2019, defines probability density function (PDF) as: ‘The mathematical function that describes the relative chance of observing values of a continuous variable. For example, a probability density function could describe the chance that the measured river flow could equal a certain value (for example 100 m³/s), or the chance that a single culvert has a certain percentage blockage.’&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[https://www.ciria.org/ItemDetail?iProductCode=C786F&amp;amp;amp;Category=FREEPUBS Culvert, screen and outfall manual, (CIRIA C786)] published by CIRIA in 2019, defines probability density function (PDF) as: ‘The mathematical function that describes the relative chance of observing values of a continuous variable. For example, a probability density function could describe the chance that the measured river flow could equal a certain value (for example 100 m³/s), or the chance that a single culvert has a certain percentage blockage.’&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;= Related articles on Designing Buildings &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Wiki &lt;/del&gt;=&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://www.ipcc.ch/report/sixth-assessment-report-working-group-i/ Climate Change 2021, The Physical Science Basis], published by the Intergovernmental Panel on Climate Change in 2021, states: ‘A probability density function is a function that indicates the relative chances of occurrence of different outcomes of a variable. The function integrates to unity over the domain for which it is defined and has the property that the integral over a sub-domain equals the probability that the outcome of the variable lies within that sub-domain. For example, the probability that a temperature anomaly defined in a particular way is greater than zero is obtained from its PDF by integrating the PDF over all possible temperature anomalies greater than zero. Probability density functions that describe two or more variables simultaneously are similarly defined.’&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;= Related articles on Designing Buildings =&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Berm.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Berm.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Probability_density_function&amp;diff=185474&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[https://www.ciria.org/ItemDetail?iProductCode=C786F&amp;amp;Category=FREEPUBS Culvert, screen and outfall manual, (CIRIA C786)] published by CIRIA in 2019, defines probability densi...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Probability_density_function&amp;diff=185474&amp;oldid=prev"/>
				<updated>2020-12-09T09:43:33Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[https://www.ciria.org/ItemDetail?iProductCode=C786F&amp;amp;Category=FREEPUBS Culvert, screen and outfall manual, (CIRIA C786)] published by CIRIA in 2019, defines probability densi...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[https://www.ciria.org/ItemDetail?iProductCode=C786F&amp;amp;amp;Category=FREEPUBS Culvert, screen and outfall manual, (CIRIA C786)] published by CIRIA in 2019, defines probability density function (PDF) as: ‘The mathematical function that describes the relative chance of observing values of a continuous variable. For example, a probability density function could describe the chance that the measured river flow could equal a certain value (for example 100 m³/s), or the chance that a single culvert has a certain percentage blockage.’&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings Wiki =&lt;br /&gt;
&lt;br /&gt;
* Berm.&lt;br /&gt;
* Bund.&lt;br /&gt;
* CIRIA.&lt;br /&gt;
* Culvert.&lt;br /&gt;
* Flood.&lt;br /&gt;
* Probability.&lt;br /&gt;
* River.&lt;br /&gt;
* Screen.&lt;br /&gt;
* Swales.&lt;br /&gt;
* Watercourse.&lt;br /&gt;
* Watercourse screen.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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