1502 search results for "tutorial"

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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Generate simple HTML slides using deck.js and markdown

August 29, 2012
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RStudio and knitr are an excellent conbination for generating dynamic reports. But in this blog, I will show you how to generate HTML-style presentaion using R only. OK, I confess that we still need something else: deck.js and markdown and R.utils. ...

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Custom CSS for HTML generated using RStudio

August 26, 2012
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Custom CSS for HTML generated using RStudio

People have been telling me for a while that the latest version of RStudio, the IDE for R, is a great way to generate reports. I finally got around to trying it out and for once, the hype is justified. Start with this excellent tutorial from Jeremy Anglim. Briefly: the process is not so different

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Structural Equation Modeling: Separating the General from the Specific (Part II)

August 26, 2012
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Structural Equation Modeling: Separating the General from the Specific (Part II)

As promised in Halo Effects and Multicollinearity (my last post), I will show how to run a confirmatory factor analysis in R to test our bifactor model.  In addition, I will include a dependent variable and fit a structural equation mode...

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Love for ProjectTemplate

August 25, 2012
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Love for ProjectTemplate

The advantage about writing a blog post about the tools you wish that you’d used throughout grad school is that, well, it makes you check them out. I went through the ProjectTemplate tutorial, and I’m hooked. Here’s the advantages as … Continue reading →

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