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	<title>Spectrally Clustered</title>
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	<description>in the direction of greatest variance</description>
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		<item>
		<title>Eigencuts on Mahout</title>
		<link>http://spectrallyclustered.wordpress.com/2013/05/07/eigencuts-on-mahout/</link>
		<comments>http://spectrallyclustered.wordpress.com/2013/05/07/eigencuts-on-mahout/#comments</comments>
		<pubDate>Tue, 07 May 2013 17:27:56 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[EigenCuts]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Spectral Clustering]]></category>
		<category><![CDATA[Programming]]></category>
		<category><![CDATA[Graduate School]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=149</guid>
		<description><![CDATA[As the final project for my Spring 2013 Machine Learning with Big Data course, I took the opportunity to finally get around to fixing the broken spectral clustering algorithm that I committed to Apache Mahout back in version 0.3: Eigencuts. It&#8217;s still not perfect. There is a substantial performance bottleneck that needs to be addressed [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=149&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2013/05/07/eigencuts-on-mahout/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<title>Naive Bayes on Hadoop</title>
		<link>http://spectrallyclustered.wordpress.com/2013/02/20/naive-bayes-on-hadoop/</link>
		<comments>http://spectrallyclustered.wordpress.com/2013/02/20/naive-bayes-on-hadoop/#comments</comments>
		<pubDate>Wed, 20 Feb 2013 18:48:19 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Maths]]></category>
		<category><![CDATA[Programming]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=139</guid>
		<description><![CDATA[I&#8217;ve been working on an implementation of the vaunted Naive Bayes classifier for the big data course I&#8217;m taking. It was tricky; Mahout has its own implementation, but I opted not to &#8220;cheat&#8221; by looking at it for pointers. For this reason, it took me a little longer than I&#8217;d expected to get a fully-functional [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=139&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2013/02/20/naive-bayes-on-hadoop/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<title>Optical flow implementations</title>
		<link>http://spectrallyclustered.wordpress.com/2013/01/16/optical-flow-implementations/</link>
		<comments>http://spectrallyclustered.wordpress.com/2013/01/16/optical-flow-implementations/#comments</comments>
		<pubDate>Wed, 16 Jan 2013 17:32:09 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Maths]]></category>
		<category><![CDATA[Programming]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=136</guid>
		<description><![CDATA[This is somewhat of an addendum to my previous post, but is broad enough to warrant its own category. In an effort to split our work between two papers instead of just one (we nixed that idea within a few days, thankfully), we stumbled across a narrative that might actually bolster our existing one. Unfortunately, [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=136&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<title>Cilia and the search for a signal</title>
		<link>http://spectrallyclustered.wordpress.com/2012/11/12/cilia-and-the-search-for-a-signal/</link>
		<comments>http://spectrallyclustered.wordpress.com/2012/11/12/cilia-and-the-search-for-a-signal/#comments</comments>
		<pubDate>Mon, 12 Nov 2012 22:00:03 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Maths]]></category>
		<category><![CDATA[Programming]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=128</guid>
		<description><![CDATA[For the past couple months, my advisor and I have been trying to wrap up a project that&#8217;s been hanging over us for the past couple of years: computational analysis of ciliary motion. Our difficulty lies in filtering out the insane amount of noise inherent to these videos. Some sources are systemic: the camera itself [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=128&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>10</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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			<media:title type="html">cilia</media:title>
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			<media:title type="html">Screen Shot 2012-11-12 at 5.02.40 PM</media:title>
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		<item>
		<title>There should be a simpler way to do this</title>
		<link>http://spectrallyclustered.wordpress.com/2012/08/22/there-should-be-a-simpler-way-to-do-this/</link>
		<comments>http://spectrallyclustered.wordpress.com/2012/08/22/there-should-be-a-simpler-way-to-do-this/#comments</comments>
		<pubDate>Wed, 22 Aug 2012 22:12:25 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Spectral Clustering]]></category>
		<category><![CDATA[TSBASWTDT]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=122</guid>
		<description><![CDATA[As I continue building a Python API for my research, I have this encounter quite frequently: I&#8217;ve coded up an implementation for a specific task, but as I look at it, I&#8217;m certain there&#8217;s an easier, more elegant, and&#8211;most importantly&#8211;more efficient way to do it. Consider this the inaugural TSBASWTDT post. #1: Creating a sparse [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=122&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2012/08/22/there-should-be-a-simpler-way-to-do-this/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<item>
		<title>2012: Lots of work to be done</title>
		<link>http://spectrallyclustered.wordpress.com/2012/01/04/2012-lots-of-work-to-be-done/</link>
		<comments>http://spectrallyclustered.wordpress.com/2012/01/04/2012-lots-of-work-to-be-done/#comments</comments>
		<pubDate>Wed, 04 Jan 2012 18:40:08 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[EigenCuts]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[Issues]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Programming]]></category>
		<category><![CDATA[Spectral Clustering]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=114</guid>
		<description><![CDATA[Since the world is going to be ending on the 21st of December anyway, we&#8217;d better use our remaining time efficiently! ApacheCon NA 2011 I spent the fall months preparing for this year&#8217;s rendition of ApacheCon NA, held in Vancouver, BC in the first week of November. As always, Apache and their sponsors set up [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=114&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2012/01/04/2012-lots-of-work-to-be-done/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<item>
		<title>PhD progress, ApacheCon 2011</title>
		<link>http://spectrallyclustered.wordpress.com/2011/10/20/phd-progress-apachecon-2011/</link>
		<comments>http://spectrallyclustered.wordpress.com/2011/10/20/phd-progress-apachecon-2011/#comments</comments>
		<pubDate>Thu, 20 Oct 2011 15:16:19 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Programming]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=108</guid>
		<description><![CDATA[There&#8217;s been a lengthy pause in my updates here, but not for lack of progress on the ground. Here&#8217;s what I&#8217;ve been up to since my last post in March: Finishing up core courses in the spring, and presenting at my first conference. The first year of PhD work is remarkably unproductive in terms of [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=108&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2011/10/20/phd-progress-apachecon-2011/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<item>
		<title>Mahout committer, Ph.D. thesis</title>
		<link>http://spectrallyclustered.wordpress.com/2011/03/11/mahout-committer-ph-d-thesis/</link>
		<comments>http://spectrallyclustered.wordpress.com/2011/03/11/mahout-committer-ph-d-thesis/#comments</comments>
		<pubDate>Fri, 11 Mar 2011 17:50:33 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[EigenCuts]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[Issues]]></category>
		<category><![CDATA[K-means]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Spectral Clustering]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=102</guid>
		<description><![CDATA[Been awhile, and I apologize for that: the obligations of a first-year Ph.D. student are not trivial. However, I am only a week away from the conclusion of my final rotation, which means a transition to full-time thesis advisorship is imminent. Furthermore, my core classes will be completed at the conclusion of this semester, leaving [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=102&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2011/03/11/mahout-committer-ph-d-thesis/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<item>
		<title>DistributedRowMatrix overhaul</title>
		<link>http://spectrallyclustered.wordpress.com/2011/01/06/distributedrowmatrix-overhaul/</link>
		<comments>http://spectrallyclustered.wordpress.com/2011/01/06/distributedrowmatrix-overhaul/#comments</comments>
		<pubDate>Thu, 06 Jan 2011 15:37:00 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[Issues]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Programming]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=98</guid>
		<description><![CDATA[I&#8217;ve spent the past few days of my holiday break working on bringing Mahout&#8217;s DistributedRowMatrix into compliance with Hadoop 0.20.2 (where it currently implements 0.18). This comes with an interesting caveat, given that &#8211; for whatever reason &#8211; version 0.20 does not have the CompositeInputFormat that allows for joins to be performed on the data. [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=98&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://spectrallyclustered.wordpress.com/2011/01/06/distributedrowmatrix-overhaul/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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		<title>Mahout and Graduate School</title>
		<link>http://spectrallyclustered.wordpress.com/2010/10/22/mahout-and-graduate-school/</link>
		<comments>http://spectrallyclustered.wordpress.com/2010/10/22/mahout-and-graduate-school/#comments</comments>
		<pubDate>Fri, 22 Oct 2010 02:50:12 +0000</pubDate>
		<dc:creator>magsol</dc:creator>
				<category><![CDATA[Algorithms]]></category>
		<category><![CDATA[EigenCuts]]></category>
		<category><![CDATA[Graduate School]]></category>
		<category><![CDATA[GSoC 2010]]></category>
		<category><![CDATA[Hadoop]]></category>
		<category><![CDATA[Issues]]></category>
		<category><![CDATA[Mahout]]></category>
		<category><![CDATA[Spectral Clustering]]></category>

		<guid isPermaLink="false">http://spectrallyclustered.wordpress.com/?p=94</guid>
		<description><![CDATA[It&#8217;s been a few months and I&#8217;ve settled into my new role as a Ph.D. student (for the most part). I&#8217;ve become exponentially more busy, what with a full course load and rotations as well at the CMU-UPitt Joint Computational Biology program. However, I am committed to staying active in and contributing to the Mahout [&#8230;]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=spectrallyclustered.wordpress.com&#038;blog=13879970&#038;post=94&#038;subd=spectrallyclustered&#038;ref=&#038;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">magsol</media:title>
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