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 <title>lies &amp;amp; damn lies &amp;amp; statistics</title>
 <link>http://www.cafuego.net/taxonomy/term/48</link>
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 <title>T plus 896634</title>
 <link>http://www.cafuego.net/2008/02/07/lca-stat-wars-continued-even-further</link>
 <description>&lt;p&gt;
After some more SQL, some pointing and clicking, some jiggery and a fair bit of pokery, some more useless graphs have appeared. The paper committee members rated all proposals on a scale of -2 to +2, and this of course lends itself to the creation of &lt;strike&gt;lies&lt;/strike&gt; statistics.
&lt;/p&gt;
&lt;p&gt;
&lt;a href=&quot;/files/pictures/lca2008_scores.png&quot;&gt;&lt;img src=&quot;/files/pictures/lca2008_scores.png&quot; border=&quot;1&quot; alt=&quot;Average Proposal Scores&quot; hspace=&quot;8&quot; vspace=&quot;2&quot; width=&quot;320&quot; height=&quot;323&quot; /&gt;&lt;/a&gt;
&lt;/p&gt;
&lt;p&gt;
This gives you an idea of the average rating assigned by day on which the rated proposal was submitted. This data is split out for all proposals, rejected proposals and accepted proposals. Note how a high rating does not mean an automatic place in the programme.
&lt;/p&gt;
&lt;p&gt;
&lt;a href=&quot;/files/pictures/lca2008_scores_by_day.png&quot;&gt;&lt;img src=&quot;/files/pictures/lca2008_scores_by_day.png&quot; border=&quot;1&quot; alt=&quot;Grumpy on monday!&quot; hspace=&quot;8&quot; vspace=&quot;2&quot; width=&quot;320&quot; height=&quot;240&quot; /&gt;&lt;/a&gt;
&lt;/p&gt;
&lt;p&gt;
This chart gives you an indication of what score a reviewer is likely to assign a talk, depending on which day of the week it is. I&#039;ve thrown in the standard deviation as well. Mainly, this is because I wanted to do a radar chart and haven&#039;t done one yet.
&lt;/p&gt;
&lt;p&gt;
Note how reviewers will assign lower scores on a Monday (with a pronounced disagreement) and much higher scores (and more agreement) on Thursdays.
&lt;/p&gt;
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 <comments>http://www.cafuego.net/2008/02/07/lca-stat-wars-continued-even-further#comments</comments>
 <category domain="http://www.cafuego.net/taxonomy/term/48">lies &amp;amp; damn lies &amp;amp; statistics</category>
 <category domain="http://www.cafuego.net/taxonomy/term/44">linux.conf.au</category>
 <category domain="http://www.cafuego.net/taxonomy/term/13">mel8ourne</category>
 <pubDate>Thu, 07 Feb 2008 18:04:38 +1100</pubDate>
 <dc:creator>cafuego</dc:creator>
 <guid isPermaLink="false">30 at http://www.cafuego.net</guid>
</item>
<item>
 <title>T plus 878931</title>
 <link>http://www.cafuego.net/2008/02/07/lca-stat-wars-continued</link>
 <description>&lt;p&gt;
After doing some more poking around in the database and twiddling with Gnumeric, I have another pretty graph with usseless stats. This one shows the ratio of accepted versus rejected talk and tutorial proposals by date.
&lt;/p&gt;
&lt;p&gt;
&lt;a href=&quot;/files/pictures/lca2008_talks.png&quot;&gt;&lt;img src=&quot;/files/pictures/lca2008_talks.png&quot; border=&quot;1&quot; alt=&quot;Paper committee working&quot; hspace=&quot;8&quot; vspace=&quot;2&quot; width=&quot;320&quot; height=&quot;240&quot; /&gt;&lt;/a&gt; 
&lt;/p&gt;
&lt;p&gt;
Offhand it seems your chances of having a proposal accepted are higher if you submit in the week just before or after the deadline.
&lt;/p&gt;
&lt;p&gt;
No prizes for guessing when the submission deadline was. 
&lt;/p&gt;
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 <comments>http://www.cafuego.net/2008/02/07/lca-stat-wars-continued#comments</comments>
 <category domain="http://www.cafuego.net/taxonomy/term/48">lies &amp;amp; damn lies &amp;amp; statistics</category>
 <category domain="http://www.cafuego.net/taxonomy/term/44">linux.conf.au</category>
 <category domain="http://www.cafuego.net/taxonomy/term/13">mel8ourne</category>
 <pubDate>Thu, 07 Feb 2008 13:13:33 +1100</pubDate>
 <dc:creator>cafuego</dc:creator>
 <guid isPermaLink="false">29 at http://www.cafuego.net</guid>
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