1755 search results for "Ggplot2"

Your Data is Never the Right Shape

July 31, 2011
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Your Data is Never the Right Shape

One of the recurring frustrations in data analytics is that your data is never in the right shape. Worst case: you are not aware of this and every step you attempt is more expensive, less reliable and less informative than you would want. Best case: you notice this and have the tools to reshape your Related posts:

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Join the Reserves

July 27, 2011
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Join the Reserves

Most forget that the tremendous macro imbalances caused by the 10 Trillion in foreign reserves are just 14 years old phenomenon but the results have been and will be profound.  The buying started after the Asia Pacific collapse of 1997, and the As...

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Scatterplot matrices in R

July 25, 2011
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Scatterplot matrices in R

I just discovered a handy function in R to produce a scatterplot matrix of selected variables in a dataset. The base graphics function is pairs(). Producing these plots can be helpful in exploring your data, especially using the second method below.Try...

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Visualizing Kickstarter Projects with R

July 20, 2011
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Visualizing Kickstarter Projects with R

Kickstarter, a social funding platform where individuals can chip in cash to get a worthy project going, just celebrated their 10,000th kickstarted project. Kickstart employee Fred Benenson recognized the achievement by visualizing the funding of music, design, art, game and many other kinds of projects using R and ggplot2. For example, here's a chart that shows the increasing rate...

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Shorting Mebane Faber

July 19, 2011
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Shorting Mebane Faber

Although I do not personally know Mebane Faber, I know enough that I do not want to short him. However, I thought it would be insightful to see how the short side of his “A Quantitative Approach To Tactical Asset Allocation” might look.  Once ...

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Correlation Resources: SPSS, R, Causality, Interpretation, and APA Style Reporting

July 17, 2011
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This post provides links to a range of resources related to the use and interpretation of correlations. I wanted to provide a page with links to a number of additional resources that would be useful both for those of my students who might be keen to le...

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Migrating from SPSS/Excel to R, Part 2: Working with Packages

July 17, 2011
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Migrating from SPSS/Excel to R, Part 2: Working with Packages

In this post, I cover an important aspect of using R that users of SPSS/Excel won’t be familiar with: working …Continue reading »

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Slopegraphs in R

July 16, 2011
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Slopegraphs in R

The internet seems abuzz this week with the "discovery" of a long-lost Edward Tufte plot type: the slopegraph. In this post, I'll show you how to create these elegant compact plots using R and ggplot2.

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Plotting git statistics

July 13, 2011
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Plotting git statistics

Here’s a funny story – friend of my, avid gamer at that time, was going downhill on a bicycle when wonderful idea flashed his mind: I need to save the current status… Just in case if I crash, I will start again from the top of the hill. If you are a developer (quantitative or

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R at Wikimedia

July 9, 2011
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Last year Wikipedia rolled out a pilot program to use Wikipedia article creation as an assignment in the classroom. Students wrote articles on a topic area and rather than turning them into a professor and forgetting about it they upload it to Wikipedia and expose it to readers around the world. 24 schools inside the…

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