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		<title><NAME> | Music Informatics IG Lightning Talk</title>

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					<h1>Questioning the average</h1>
					<h3><NAME>, Ph.D.<br/>CU–Boulder</h3>
					<p>
						<small><a href="http://kris.shaffermusic.com">kris.shaffermusic.com</a> / <a href="http://twitter.com/krisshafer">@krisshaffer</a><br/><br/>view presentation at <a href="http://kris.shaffermusic.com/informaticsLT">kris.shaffermusic.com/informaticsLT</a><br/>fork presentation at <a href="http://github.com/kshaffer/informaticsLT">github.com/kshaffer/informaticsLT</a></small>
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					### Research question ###
									
					Is average transitional probability a musically and statistically meaningful way to account for harmonic syntax?
					
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					<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-nc-sa/3.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License</a>.
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		</div><commit_msg>complete draft<commit_after><!doctype html>
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		<title><NAME> | Music Informatics IG Lightning Talk</title>

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		<meta name="author" content="<NAME>, CU–Boulder">

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					<h1>Questioning the<br/>average</h1>
					<h3><NAME>, Ph.D.<br/>CU–Boulder</h3>
					<p>
						<small><a href="http://kris.shaffermusic.com">kris.shaffermusic.com</a> / <a href="http://twitter.com/krisshafer">@krisshaffer</a><br/><br/>view presentation at <a href="http://kris.shaffermusic.com/informaticsLT">kris.shaffermusic.com/informaticsLT</a><br/>fork presentation at <a href="http://github.com/kshaffer/informaticsLT">github.com/kshaffer/informaticsLT</a></small>
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					Is average transitional probability a musically and statistically meaningful way to account for harmonic syntax?
					
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					<h2>Problems with average transitional probability</h2>
					<ul>
						<li class="fragment">Getting to the average</li>  
						<li class="fragment">Average often does not match individual songs</li>  
						<li class="fragment">Average does not account for form (difference between modules; back-relating chords; etc.)</li>  
						<li class="fragment">Requires a corpus that shares a harmonic grammar</li>
					</ul>					
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					<h2>Study</h2>
					<ul>
						<li class="fragment">Assemble corpus</li>  
						<li class="fragment">Find individual song probability profiles</li>  
						<li class="fragment">Find average probability profile (multiple methods)</li>  
						<li class="fragment">Find individual and average profiles accounting for form</li>
						<li class="fragment">Perform cluster analysis on all categories of profiles</li>
					</ul>					
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				<h2>Questions</h2>
				<ul>
					<li class="fragment">How many songs match the average?</li>  
					<li class="fragment">What changes when accounting for form?</li>  
					<li class="fragment">What songs, module types, etc. (do not) belong together? (clusters)</li>  
				</ul>					
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				## Blog posts

				- [Problems with using transitional probability in musical corpus studies](http://kris.shaffermusic.com/2012/06/problems-with-using-transitional-probability-in-musical-corpus-studies/)  
				- [Averages, clusters, and hidden patterns](http://kris.shaffermusic.com/2012/07/averages-clusters-and-hidden-patterns/)  
				- [Rock corpus comparison](http://kris.shaffermusic.com/2012/12/rock-corpus-comparison/)  
				- [Harmonic syntax in corpus studies](http://kris.shaffermusic.com/2013/01/harmonic-syntax-in-corpus-studies/)			
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