1219 search results for "tutorial"

Pre-conference tutorials announced for useR! 2012

January 30, 2012
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The worldwide R user conference, useR! 2012, will take place this year June 12-15 in Nashville, Tennessee. In addition to the regular program of invited and contributed talks, a highlight of every useR! is the pre-conference tutorials: hand-on, half-day in-depth expert-led sessions with a focused on a specific area of methodology with R. This year's roster of tutorials has...

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R Tutorial Series: Citing R with EndNote

January 6, 2012
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R Tutorial Series: Citing R with EndNote

Unfortunately, due to the vexing complexities of academic style guides and the limitations of associated software packages, citing a non-standard name, such as Cher, Prince, or R Development Core Team can be problematic. Thankfully, I have discovered a...

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Tutorial on SPARQL Package for R

December 19, 2011
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Tutorial on SPARQL Package for R

Tools are major enablers of Linked Science. One crucial aspect is how to access and analyze data, and especially how to get only that part of data which is of interest for a given research question.  Linked Data solves the … Continue reading →

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Rdatamarket Tutorial

November 4, 2011
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The good folks at DataMarket have posted a new tutorial on using the rdatamarket package (covered here in August) to easily download public data sets into R for analysis. The tutorial describes how to install the rdatamarket package, how to extract metadata for data sets, and how to download the data themselves into R. The tutorial also illustrates a...

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R-TreeBASE Tutorial

October 28, 2011
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R-TreeBASE Tutorial

My treebase package is now up on the CRAN repository. (Source code is up, the binaries should appear soon). Here’s a few introductory examples to illustrate some of the functionality of the package. Thanks in part to new data deposition … Continue reading →

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R Tutorial Series: Exploratory Factor Analysis

October 24, 2011
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R Tutorial Series: Exploratory Factor Analysis

Exploratory factor analysis (EFA) is a common technique in the social sciences for explaining the variance between several measured variables as a smaller set of latent variables. EFA is often used to consolidate survey data by revealing the groupings ...

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Tutorial on using the rworldmap package

October 4, 2011
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Tutorial on using the  rworldmap package

This blog following up my previous oneattempts to explain how the geo-pie map was created. I do not know how to attach a .rflow file in this blog. What you can do is to copy the following code into Notepad … Continue reading →

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R tutorial on visualizations/graphics

September 30, 2011
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R tutorial on visualizations/graphics

Rolf Lohaus, a Huxley postdoctoral fellow here in the EEB dept at Rice University, gave our R course a talk on basic visualizations in R this morning.Enjoy!

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slides from my R tutorial on Twitter text mining #rstats

July 4, 2011
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slides from my R tutorial on Twitter text mining #rstats

Update: An expanded version of this tutorial will appear in the new Elsevier book Practical Text Mining and Statistical Analysis for Non-structured Text Data Applications by Gary Miner et. al which is now available for pre-order from Amazon. In conjunction with the book, I have cleaned up the tutorial code and published it on github.

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The R apply function – a tutorial with examples

July 2, 2011
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Today I had one of those special moments that is uniquely associated with R. One of my colleagues was trying to solve what I term an 'Excel problem'. That is, one where the problem magically disappears once a programming language is employed. Put simpl...

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