1386 search results for "tutorial"

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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Normal Probability Plots (QQ Plots) in R

September 13, 2012
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Normal Probability Plots (QQ Plots) in R

Here’s a tutorial on how to tell whether your data are (approximately) normally distributed! qq-plot-75-925

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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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Topic Modeling 1: Simulated LDA Corpus

September 6, 2012
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Because I am self-taught in many of the areas of computer science and more advanced statistics and probability theory I am most interested in, and because I have a deep aversion both to looking foolish and being full of it...

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Bar Charts and Segmented Bar Charts in R

September 2, 2012
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Bar Charts and Segmented Bar Charts in R

Here are a couple of tutorials I’ve written to help anyone who’s interested in learning how to produce simple bar charts or simple segmented bar charts in R, given that you have

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Add Text Annotations to ggplot2 Faceted Plot

August 31, 2012
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Add Text Annotations to ggplot2 Faceted Plot

In my experience with R learners there are two basic types. The “show me the code and what it does and let me play” type and the “please give me step by step directions” type. I’ve broken the following tutorial … Continue reading →

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