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	<title>Template:P ratio crow rga - Revision history</title>
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	<updated>2026-05-07T22:18:58Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.reliawiki.com/index.php?title=Template:P_ratio_crow_rga&amp;diff=33744&amp;oldid=prev</id>
		<title>Richard House: Redirected page to Crow Extended - Continuous Evaluation#p Ratio</title>
		<link rel="alternate" type="text/html" href="https://www.reliawiki.com/index.php?title=Template:P_ratio_crow_rga&amp;diff=33744&amp;oldid=prev"/>
		<updated>2012-08-24T02:35:36Z</updated>

		<summary type="html">&lt;p&gt;Redirected page to &lt;a href=&quot;/index.php/Crow_Extended_-_Continuous_Evaluation#p_Ratio&quot; title=&quot;Crow Extended - Continuous Evaluation&quot;&gt;Crow Extended - Continuous Evaluation#p Ratio&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 02:35, 24 August 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&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=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;#REDIRECT [[Crow_Extended_&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;_Continuous_Evaluation#p__Ratio]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;===&amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  Ratio===&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;In the Crow Extended &lt;/del&gt;- &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Continuous evaluation, there is a certain probability of  not incorporating a corrective action by time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt; . This is the additional (third parameter), as compared to the Crow Extended model. We define  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  as:&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;::&amp;lt;math&amp;gt;p=\frac{\text{All modes such that, if seen, will be corrected at time }T\text{, or later}}{\text{All failure modes such that, if seen, the corrective action will be delayed}}&amp;lt;/math&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;It is assumed that the ratio  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  remains fixed over    . This implies that each time a distinct failure mode is seen, the probability that the corrective action is delayed until time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt;  or later is  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; . In other words, each time a new BD mode is seen over  &amp;lt;math&amp;gt;(0,T)&amp;lt;/math&amp;gt;  there is a probability  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  that the corrective action for that mode will not have been incorporated into the system by time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt; . Under the Crow Extended two-parameter model, this probability is always equal to 1 at time  &amp;lt;math&amp;gt;T.&amp;lt;/math&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Richard House</name></author>
	</entry>
	<entry>
		<id>https://www.reliawiki.com/index.php?title=Template:P_ratio_crow_rga&amp;diff=11616&amp;oldid=prev</id>
		<title>Nicolette Young: Created page with &#039; ===&lt;math&gt;p&lt;/math&gt;  Ratio=== &lt;br&gt; In the Crow Extended - Continuous evaluation, there is a certain probability of  not incorporating a corrective action by time  &lt;math&gt;T&lt;/math&gt; .…&#039;</title>
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		<updated>2012-01-10T21:25:27Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039; ===&amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  Ratio=== &amp;lt;br&amp;gt; In the Crow Extended - Continuous evaluation, there is a certain probability of  not incorporating a corrective action by time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt; .…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
===&amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  Ratio===&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
In the Crow Extended - Continuous evaluation, there is a certain probability of  not incorporating a corrective action by time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt; . This is the additional (third parameter), as compared to the Crow Extended model. We define  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  as:&lt;br /&gt;
&lt;br /&gt;
::&amp;lt;math&amp;gt;p=\frac{\text{All modes such that, if seen, will be corrected at time }T\text{, or later}}{\text{All failure modes such that, if seen, the corrective action will be delayed}}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It is assumed that the ratio  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  remains fixed over    . This implies that each time a distinct failure mode is seen, the probability that the corrective action is delayed until time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt;  or later is  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; . In other words, each time a new BD mode is seen over  &amp;lt;math&amp;gt;(0,T)&amp;lt;/math&amp;gt;  there is a probability  &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt;  that the corrective action for that mode will not have been incorporated into the system by time  &amp;lt;math&amp;gt;T&amp;lt;/math&amp;gt; . Under the Crow Extended two-parameter model, this probability is always equal to 1 at time  &amp;lt;math&amp;gt;T.&amp;lt;/math&amp;gt;&lt;/div&gt;</summary>
		<author><name>Nicolette Young</name></author>
	</entry>
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