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	<title>Juan Carlos Méndez-García &#187; Data analysis</title>
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	<link>http://8020world.com/jcmendez</link>
	<description>My thoughts on business, technology and everything else</description>
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		<title>Tornado Charts in Excel 2007 Update</title>
		<link>http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/</link>
		<comments>http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/#comments</comments>
		<pubDate>Thu, 07 May 2009 16:05:26 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Charts]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>
		<category><![CDATA[forecast]]></category>
		<category><![CDATA[modeling]]></category>

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		<guid isPermaLink="false">http://8020world.com/jcmendez/2009/05/uncategorized/tornado-charts-in-excel-2007-update/</guid>
		<description><![CDATA[This is an update to my previous post on tornado charts.
As reader Shaun pointed out, the instructions were created under Excel 2003.  Let&#8217;s refresh them to Excel 2007.
There is no need for any external add-ins for making good-looking tornado charts.  And it takes only 5 steps.  Let&#8217;s start with data in a [...]


No related posts.]]></description>
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		<slash:comments>3</slash:comments>
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		<title>Harmonic Averages</title>
		<link>http://8020world.com/jcmendez/2008/07/data-analysis/harmonic-averages/</link>
		<comments>http://8020world.com/jcmendez/2008/07/data-analysis/harmonic-averages/#comments</comments>
		<pubDate>Thu, 03 Jul 2008 23:16:23 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Automotive]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Average]]></category>
		<category><![CDATA[Fuel Consumption]]></category>
		<category><![CDATA[Harmonic]]></category>
		<category><![CDATA[Math]]></category>
		<category><![CDATA[MPG]]></category>

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		<description><![CDATA[This is a short note to talk about Harmonic Averages.  Most people are familiar with Weighted Averages, as they are a valuable tool for aggregation.  For instance, with the data below, the average profitability (~1735) can be easily calculated using weighted averages.

Avg_Profit = (1000*1200 + 200*300 + 500*2500 + 10*600 + 100*300) / [...]


No related posts.]]></description>
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		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Market partition &#8211; Mekko chart in Excel, no add-ins</title>
		<link>http://8020world.com/jcmendez/2007/07/business/market-partition-mekko-chart-in-excel-no-add-ins/</link>
		<comments>http://8020world.com/jcmendez/2007/07/business/market-partition-mekko-chart-in-excel-no-add-ins/#comments</comments>
		<pubDate>Tue, 17 Jul 2007 04:28:05 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/07/business/market-partition-mekko-chart-in-excel-no-add-ins/</guid>
		<description><![CDATA[Mekko charts are two dimensional graphs that analyze how data is partitioned against two variables, the X and Y axes. The width of the columns is proportional to data represented by the columns. Individual segment height is a percentage of the respective bar total value.


Related posts:Tornado Charts in Excel 2007 Update This is an update [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Yet another in-cell Excel bar chart technique</title>
		<link>http://8020world.com/jcmendez/2007/07/business/tools-methodologies/yet-another-in-cell-excel-bar-chart-technique/</link>
		<comments>http://8020world.com/jcmendez/2007/07/business/tools-methodologies/yet-another-in-cell-excel-bar-chart-technique/#comments</comments>
		<pubDate>Fri, 13 Jul 2007 14:30:21 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/07/business/tools-methodologies/yet-another-in-cell-excel-bar-chart-technique/</guid>
		<description><![CDATA[Two improvements over the technique described by Juice Analytics and posted in Lifehacker: better resolution and solid-looking bars that show better at different font sizes.
If your values are integers in a range 0-9 or so, you can use the REPT formula as presented there, and perhaps you like the dashed type bars, so the formula [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Math on the simplified market adoption s-curve for Excel</title>
		<link>http://8020world.com/jcmendez/2007/07/business/tools-methodologies/math-on-the-simplified-market-adoption-s-curve-for-excel/</link>
		<comments>http://8020world.com/jcmendez/2007/07/business/tools-methodologies/math-on-the-simplified-market-adoption-s-curve-for-excel/#comments</comments>
		<pubDate>Sat, 07 Jul 2007 03:22:13 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/07/excel/math-on-the-simplified-market-adoption-s-curve-for-excel/</guid>
		<description><![CDATA[I&#8217;ve got a number of questions on the simplified Excel s-curve formula I published some time ago, so here are more details for those interested in the math behind it.  The previous posting focused on how business analysts sometimes need to model market adoption, and provided a simple and easy to maintain formula to [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>12</slash:comments>
		</item>
		<item>
		<title>Junkchart and pistongeekery on the same page!</title>
		<link>http://8020world.com/jcmendez/2007/05/business/junkchart-and-pistongeekery-on-the-same-page/</link>
		<comments>http://8020world.com/jcmendez/2007/05/business/junkchart-and-pistongeekery-on-the-same-page/#comments</comments>
		<pubDate>Fri, 11 May 2007 20:47:22 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/05/business/junkchart-and-pistongeekery-on-the-same-page/</guid>
		<description><![CDATA[The sites I refer to when I talk about charting, data analysis and good (and bad) charting techniques are normally quite different from the ones where I satisfy my gearhead lust with the news from the latest car models in the market.  This time the guys at motortrend did it for me in their [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Modeling market adoption in Excel with a simplified s-curve</title>
		<link>http://8020world.com/jcmendez/2007/04/business/modeling-market-adoption-in-excel-with-a-simplified-s-curve/</link>
		<comments>http://8020world.com/jcmendez/2007/04/business/modeling-market-adoption-in-excel-with-a-simplified-s-curve/#comments</comments>
		<pubDate>Wed, 25 Apr 2007 05:04:43 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Finance]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/04/business/modeling-market-adoption-in-excel-with-a-simplified-s-curve/</guid>
		<description><![CDATA[UPDATE 10/31/2007: Here is a screencast for this model
Often business analysts need to model the adoption of a new product or service for financial planning.  There are several approaches, but a common one is the s-curve (see Wikipedia article).  Here is a simple implementation in Excel that can be easily added to your [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>32</slash:comments>
		</item>
		<item>
		<title>Some more JunkChart</title>
		<link>http://8020world.com/jcmendez/2007/04/business/some-more-junkchart/</link>
		<comments>http://8020world.com/jcmendez/2007/04/business/some-more-junkchart/#comments</comments>
		<pubDate>Mon, 09 Apr 2007 02:27:55 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/04/business/some-more-junkchart/</guid>
		<description><![CDATA[Martin Theus posts here an example of poor charting or &#8220;junk charts&#8221;.  I&#8217;ve had the opportunity to work with many organizations as a management consultant, and it&#8217;s sad to report that is more the norm than the exception to see charts like that one in the workplace.
Feeding my bad habit of thinking anytime anytime [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Portfolio visualization &#8211; PivotGraphs</title>
		<link>http://8020world.com/jcmendez/2007/03/business/portfolio-visualization-pivotgraphs/</link>
		<comments>http://8020world.com/jcmendez/2007/03/business/portfolio-visualization-pivotgraphs/#comments</comments>
		<pubDate>Tue, 06 Mar 2007 00:18:24 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Strategy]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/2007/03/business/portfolio-visualization-pivotgraphs/</guid>
		<description><![CDATA[Without being able to show actual graphics from the data I&#8217;m working on, due to confidentiality with my employer, this post is a note on a good technique I&#8217;ve found that could be helpful to others in the portfolio management space
I&#8217;m finding PivotGraphs a powerful tool to visualize and communicate portfolio interactions.  One example [...]


No related posts.]]></description>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>Presenting time series of market participation</title>
		<link>http://8020world.com/jcmendez/2007/02/business/presenting-time-series-of-market-participation/</link>
		<comments>http://8020world.com/jcmendez/2007/02/business/presenting-time-series-of-market-participation/#comments</comments>
		<pubDate>Mon, 12 Feb 2007 19:58:20 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/?p=73</guid>
		<description><![CDATA[One very common need in almost any industry is to show a given market, its size, the key participant and how all has evolved over the last few years.  I have used since a few years a technique I like, and yesterday I read on Juice Analytics&#8217; weblog an article describing basically the same [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
</ol>]]></description>
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		<slash:comments>1</slash:comments>
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		<title>Where is the source file of that data?</title>
		<link>http://8020world.com/jcmendez/2007/02/business/where-is-the-source-file-of-that-data/</link>
		<comments>http://8020world.com/jcmendez/2007/02/business/where-is-the-source-file-of-that-data/#comments</comments>
		<pubDate>Mon, 12 Feb 2007 15:36:48 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
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		<guid isPermaLink="false">http://jcandkimmita.info/jc/?p=64</guid>
		<description><![CDATA[On my job I usually have to present data-rich slides that are the result of analysis on sets of data. One of my pet peeves on this types of slides is the omission of the data source.  As I always point out to analysts in training, *please* do yourself a favor: put the footnote [...]


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<li><a href='http://8020world.com/jcmendez/2009/04/excel/devils-guide-spreadsheet-creation/' rel='bookmark' title='Permanent Link: The Devil&#8217;s guide to spreadsheet creation'>The Devil&#8217;s guide to spreadsheet creation</a> <small>From http://www.sysmod.com/praxis/prax0404.htm#Excel The Devil&#8217;s guide to spreadsheet creation Just do...</small></li>
</ol>]]></description>
		<wfw:commentRss>http://8020world.com/jcmendez/2007/02/business/where-is-the-source-file-of-that-data/feed/</wfw:commentRss>
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		<title>Easy creation of tornado charts in Excel &#8211; 5 steps, no add-ins</title>
		<link>http://8020world.com/jcmendez/2007/02/business/easy-creation-of-tornado-charts-in-excel-5-steps-no-add-ins/</link>
		<comments>http://8020world.com/jcmendez/2007/02/business/easy-creation-of-tornado-charts-in-excel-5-steps-no-add-ins/#comments</comments>
		<pubDate>Thu, 01 Feb 2007 23:50:44 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<description><![CDATA[UPDATE: A newer post is available, with Excel 2007 instructions and a screencast
Tornado diagrams are a classic tool of sensitivity analysis for decision analysis.  They are not used as frequently as you would expect, given how clearly they help showing the impact of different variables on a geven outcome.  As suggested by Ted [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
<li><a href='http://8020world.com/jcmendez/2009/04/excel/devils-guide-spreadsheet-creation/' rel='bookmark' title='Permanent Link: The Devil&#8217;s guide to spreadsheet creation'>The Devil&#8217;s guide to spreadsheet creation</a> <small>From http://www.sysmod.com/praxis/prax0404.htm#Excel The Devil&#8217;s guide to spreadsheet creation Just do...</small></li>
</ol>]]></description>
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		<slash:comments>15</slash:comments>
<enclosure url="http://8020world.com/jcmendez/wp-content/uploads/2009/05/tornado_excel2007.mov" length="1519746" type="video/quicktime" />
		</item>
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		<title>Normalize Excel tables</title>
		<link>http://8020world.com/jcmendez/2006/11/geeky-stuff/software/normalize-excel-tables/</link>
		<comments>http://8020world.com/jcmendez/2006/11/geeky-stuff/software/normalize-excel-tables/#comments</comments>
		<pubDate>Thu, 30 Nov 2006 03:51:16 +0000</pubDate>
		<dc:creator>Juan Carlos Méndez-García</dc:creator>
				<category><![CDATA[Business]]></category>
		<category><![CDATA[Data analysis]]></category>
		<category><![CDATA[Excel]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Tools & methodologies]]></category>

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		<guid isPermaLink="false">http://jcandkimmita.info/jc/?p=58</guid>
		<description><![CDATA[Business data is quite often expressed across many dimensions.  The profitability equation in a company is very simple in concept, but in practice those revenues come across regions, product lines, products etc., making them in fact multidimensional data.
Users of OLAP systems are very aware of multidimensional data.  However, many spreadsheet users are not, [...]


Related posts:<ol><li><a href='http://8020world.com/jcmendez/2009/05/business/tools-methodologies/tornado-charts-in-excel-2007-update/' rel='bookmark' title='Permanent Link: Tornado Charts in Excel 2007 Update'>Tornado Charts in Excel 2007 Update</a> <small>This is an update to my previous post on tornado...</small></li>
<li><a href='http://8020world.com/jcmendez/2009/04/excel/devils-guide-spreadsheet-creation/' rel='bookmark' title='Permanent Link: The Devil&#8217;s guide to spreadsheet creation'>The Devil&#8217;s guide to spreadsheet creation</a> <small>From http://www.sysmod.com/praxis/prax0404.htm#Excel The Devil&#8217;s guide to spreadsheet creation Just do...</small></li>
</ol>]]></description>
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		<slash:comments>1</slash:comments>
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