1975 search results for "ggplot"

Revolution Newsletter: November 2011

November 17, 2011
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The most recent edition of the Revolution Newsletter is out. The news section is below, and you read the full November edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. R Training from Hadley Wickham: The R guru (and author of ggplot2, plyr and several...

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Update on Scary Derivatives

November 16, 2011
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Update on Scary Derivatives

After reading Bloomberg’s article, JPMorgan Chase & Co. and Goldman Sachs Group Inc., among the world’s biggest traders of credit derivatives, disclosed to shareholders that they have sold protection on more than $5 trillion of debt globally. ...

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R Development Master Class with Hadley Wickham

November 14, 2011
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Hadley Wickham, R guru and author of several popular R packages (ggplot2 and plyr, to name just two), will present his 2-day R Development Master Class in New York City, December 12-13. This two-day course offers expert instruction in R programming and package development, and is ideal for anyone looking to hone their R development skills with expert instruction....

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Parallelization using plyr: loading objects and packages into worker nodes

November 14, 2011
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I really love the plyr package. Apart from having a progress bar and plyr handeling a lot of the overhead, a very interesting feature is being able to run plyr in parallel mode. Essentially, setting .parallel = TRUE runs any… See more ›

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Visualizing Likert Items

November 11, 2011
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Visualizing Likert Items

I have become quite a big fan of graphics that combine the features of traditional figures (e.g. bar charts, histograms, etc.) with tables. That is, the combination of numerical results with a visual representation has been quite useful for exploring descriptive statistics. I have wrapped two of my favorites (build around ggplot2) and included them as part

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Plotting implicit functions in R

November 11, 2011
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Plotting implicit functions in R

So in prepping for my latest manuscript on population dynamics I have been creating all the necessary figures.  One of them I considered was a 2-d surface plot of a modified Ricker equation showing the transitions from extinction stability, and stability to limit cycles.  Inconveniently though the only way to do this is with an implicit function.  Since becoming...

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Visualizing Likert Items

November 11, 2011
By
Visualizing Likert Items

I have become quite a big fan of graphics that combine the features of traditional figures (e.g. bar charts, histograms, etc.) with tables. That is, the combination of numerical results with a visual representation has been quite useful for exploring...

Read more »

Visualizing Likert Items

November 11, 2011
By
Visualizing Likert Items

I have become quite a big fan of graphics that combine the features of traditional figures (e.g. bar charts, histograms, etc.) with tables. That is, the combination of numerical results with a visual representation has been quite useful for exploring...

Read more »

Managing a Local R Repository

November 10, 2011
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I will be teaching a workshop on R and LaTeX at NEAIR in just under a month. One of the issues I will encounter is a lack of Internet access. I also work with restricted data from NCES which requires the computer to be secured including no network access. As such, I need to manage software from removable

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In case you missed it: October Roundup

November 10, 2011
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In case you missed them, here are some articles from October of particular interest to R users. The creator of the ggplot2 package, Hadley Wickham, shares details on some forthcoming big-data graphics functions (based on research sponsored by Revolution Analytics). A list of several dozen free data sources that can easily be imported into R. Bob Muenchen gave a...

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