1177 search results for "tutorial"

More Fun With Modis

October 7, 2012
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More Fun With Modis

I’ve started a tutorial on using the MODIS package in R the first few steps are here.  While I wait on a release of the package I thought I would play around a bit with the MRT tool and see how it worked.  Let’s recall where we are going.  I have an inventory of around

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A quick introduction to ggplot()

October 5, 2012
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A quick introduction to ggplot()

I gave a short talk today to the about ggplot. This what I presented. Additional resources at the bottom of this post ggplot is an R package for data exploration and producing plots. It produces fantastic-looking graphics and allows one to slice and dice one’s data in many different ways. Comparing with base...

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Thanks to our guest bloggers

September 25, 2012
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Thanks to our guest bloggers

I'm back from a very relaxing holiday in Australia. Many thanks to our guest bloggers for filling in over the last couple of weeks with some great information about R while I was away. If you missed any of the posts, be sure to check them out: Douglas McNair, "Population health management with RevoScaleR" Yihui Xie, "Integrate data and...

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Learning Kernels SVM

September 25, 2012
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Learning Kernels SVM

Machine Learning and Kernels A common application of machine learning (ML) is the learning and classification of a set of raw data features by a ML algorithm or technique. In this context a ML kernel acts to the ML algorithm … Continue reading →

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SPSS and R day in York

September 19, 2012
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SPSS and R day in York

On 2 November there are some introductory health-focussed training sessions on SPSS and R software going on in York: Two sets of two half-day parallel workshops and two tutorial sessions are provisionally planned to be held at the Alcuin Research … Continue reading →

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R Graphics with ggplot2

September 18, 2012
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R Graphics with ggplot2

ggplot2 is one of the most elegant R package for data analysis and visualization.  Recently I gave a tutorial on ggplot2 package.  You could find my ggplot2 notes here(click the image below). You could find my presentation slide below. The … Continue reading →The post R Graphics with ggplot2 appeared first on Fiddling with data and...

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The R-Podcast Episode 10: Adventures in Data Munging Part 2

September 16, 2012
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I’m happy to present episode 10 of the R-Podcast! Season 1 of the R-Podcast concludes with part 2 of my series on data munging, in which I discuss issues surrounding importing data sets contained in HTML tables. I share how I used the XML and RCurl packages to validate and import data from hockey-reference.com for

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OO in R

September 13, 2012
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OO in R

"Is there a package for obfuscating code in #rstats?", someone asked. "The S4 object system?!" came the snarky reply. If you're smiling right now, you know that it wouldn't be funny if it weren't at least a little bit true. Options: S3, S4 or R5? There can be little doubt that object oriented...

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R: Isarithmic Maps of Election Data (1/2)

September 12, 2012
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R: Isarithmic Maps of Election Data (1/2)

In this tutorial I will show

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Integrate data and reporting on the Web with knitr

September 11, 2012
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Today's guest post comes from Yihui Xie, author of the knitr package — ed. Hi, this is Yihui Xie, and I'm guest posting on the Revolutions blog to talk about one aspect of the knitr package: how we can integrate data analysis and reporting in R with the Web. This post includes both the work that has been done...

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