1878 search results for "ggplot2"

Massive Increase in Ethanol Production

February 29, 2012
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Massive Increase in Ethanol Production

Description: Yearly production of Ethanol in the United States since 1980. Data: http://www.ethanolrfa.org/ Analysis: When it comes to fuel - especially for transportation - oil is king. In 2010, the United States imported 180.8 billion gallons ...

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Functional ANOVA using INLA – update

February 29, 2012
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Functional ANOVA using INLA – update

INLA author Håvard Rue wrote me to point out a problem in the Functional ANOVA code given in this post. I made a mistake in setting the precision of the fixed effects (I used “default” instead of “prec”). I’ve put Håvard’s corrected version of the code below.  

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Expanding Visualization of published system edges (R)

February 28, 2012
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Expanding Visualization of published system edges (R)

I happened to be looking over a revised text of a systems author I happen to follow. I will be a bit vague about specifics, as the system itself is based on well know ideas, but I'll leave the reader to research related systems.  The basic message...

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Diamonds vs. water smackdown in playitbyr-powered podcast

February 22, 2012
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Apparent Reason, my new monthly podcast, is a boisterous and non-technical discussion of economics and statistics. In that format I don't have the luxury of showing charts and graphs to complement my discussion, so I use the playitbyr package to represent the data as sound. (Apparently February is a great month to start R-related podcasts!

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The New York Yankees Payroll vs Everyone Else (Major League Baseball)

February 22, 2012
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The New York Yankees Payroll vs Everyone Else (Major League Baseball)

Description: Major League Baseball payrolls for all teams since 1985. The New York Yankees payroll is highlighted with results defined by the shape of the point.Data:http://www.baseball-databank.org/ Analysis: For years fans of Major League Baseball (MLB) have been crying...

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Non overlapping labels on a ggplot scatterplot

February 22, 2012
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Non overlapping labels on a ggplot scatterplot

This is a very quick post just to share a quick tip on how to add non overlapping labels to a scatterplot in ggplot using a great package called directlabels. The trick is to make each point a single member group using an aesthetic like colour and then apply the direct.label function with the first.qp … Continue reading...

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Log File Analysis with R

February 21, 2012
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Log File Analysis with R

 R often comes up in discussions of heavy duty scientific and statistical analysis (and so it should).  However, it is also incredibly handy for a variety of more routine developer activities.   And so I give you… log file analysis with R!  I was just involved in the launch of gradesquare.com (go ahead – click...

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polar histogram: pretty and useful

February 21, 2012
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polar histogram: pretty and useful

Do you have tens of histograms to show but no room to put them all on the page? As I was reading this paper in Nature Genetics, I came across a simple and clever way of packing all this information … Continue reading →

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Upcoming Statistics.com courses on the use of R (all online)

February 20, 2012
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Guest post:  Statistics.com is offering a list of courses about R from some of the leading experts in their fields.  They offer a $200 discount for anyone who orders any 3 courses from them at one time.  Here is the list of R specific courses (with links): Feb 10:  Introduction to R – Data Handling (http://bit.ly/z9k0vk) taught by Paul Murrell...

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Mid-February flotsam

February 17, 2012
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Mid-February flotsam

This coming Monday we start the first semester in Canterbury (and in New Zealand for that matter). We are all looking forward to an earthquake-free year; more realistically, I’d be happy with low magnitude aftershocks. The Wall Street Journal reports … Continue reading →

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