1095 search results for "tutorial"

RAppArmor video tutorials: security in R!

November 2, 2012
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Security and R One of the more challenging aspects of OpenCPU is security in R (or lack thereof). This is actually one of the reasons OpenCPU runs on Linux only at this point; other operating systems simply lack superpowers to implement open computing. (Maybe one exception is BSD, for which I lack superpowers). Security is ...

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GGtutorial: Day 4 – More Colors

November 1, 2012
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GGtutorial: Day 4 – More Colors

So far we’ve covered Melting and Casting data using the reshape() package and today we’re going to look at different ways of coloring and selecting palettes for plots. For these plots, we’re going to use the built in diamonds data...

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GGtutorial: Day 3 – Introduction to Colors

October 31, 2012
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GGtutorial: Day 3 – Introduction to Colors

So, where does ggplot get its colors? If you’ve ever asked ggplot to color on the basis of a factor, you might have beeen surprised by the default color choices.  The fact is, ggplot colors factors on the basis of finding evenly spaced colors a...

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Making a hive plot of HIV transmission network — tutorial

October 4, 2012
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Making a hive plot of HIV transmission network — tutorial

Hiveplots are the über-cool graph visualization created by the prolific Martin Krzywinski and ported to R by the equally talented Bryan Hanson. Martin has created a network visualization tool which displays the underlying structure of a network and ends the … Continue reading →

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I’ve peeped a number of object-oriented R tutorials. This…

October 4, 2012
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I’ve peeped a number of object-oriented R tutorials. This is the first one I could make it through. Easy and pleasant to read.

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Oracle R Enterprise Tutorial Series on Oracle Learning Library

October 2, 2012
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Oracle Server Technologies Curriculum has just released the Oracle R Enterprise Tutorial Series, which is publicly available on Oracle Learning Library (OLL). This 8 part interactive lecture series with review sessions covers Oracle R Enterprise ...

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Tutorials for Learning Visualization in R

September 12, 2012
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Tutorials for Learning Visualization in R

Today's guest post comes from Nathan Yau. Nathan runs FlowingData, a site on statistics and visualization, and is the author of Visualize This. Years ago, when I started FlowingData, the purpose of the blog was to catalog and think out loud about visualization, in its many varieties. In the beginning I was talking to myself for the most part,...

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Interactive web graphs with R – Overview and googleVis tutorial

September 5, 2012
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Interactive web graphs with R – Overview and googleVis tutorial

Today I feel very lucky, as I have been invited to the Royal Statistical Society conference to give a tutorial on interactive web graphs with R and googleVis. I prepared my slides with RStudio, knitr, pandoc and slidy, similar to my Cambridge R talk. ...

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Mapping Public Opinion: A Tutorial

July 18, 2012
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Mapping Public Opinion: A Tutorial

At the upcoming 2012 summer meeting of the Society of Political Methodology, I will be presenting a poster on Isarithmic Maps of Public Opinion. Since last posting on the topic, I have made major improvements to the code and robustness of the modeling approach, and written a tutorial that illustrates the production of such maps. This … Read more

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A tutorial on outlier detection techniques

July 4, 2012
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A tutorial on outlier detection techniques

by Yanchang Zhao, RDataMining.com There is an excellent tutorial on outlier detection techniques, presented by Hans-Peter Kriegel et al. at ACM SIGKDD 2010. It presents many popular outlier detection algorithms, most of which were published between mid 1990s and 2010, … Continue reading →

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