1241 search results for "tutorial"

Tutorials from the IV Jornadas de usuarios de R.

December 1, 2013
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Tutorials from the IV Jornadas de usuarios de R.

The “IV Jornadas de usuarios de R”  were held in Barcelona on November 15th and 16th of 2012. From the Barcelona’s Users Group (RugBcn) we want to highlight two workshops given by some of the RugBcn’s organizers : Ggplot2 and ggmaps by Lluís Ramon, Andreu Valls and Roger Borràs (in spanish). Introduction to reference classes by Aleix

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Iterators in R: a tutorial

November 18, 2013
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Iterators — object-oriented programming constructs that act as a pointer in an ordered sequence — are familiar to programmers of languages like Python, but are not a standard part of the R language. Nonetheless, by installing the iterators package (an open-source contribution by Revolution Analytics) you can create and manipulate iterator objects in R. If you're new to iterators,...

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Nice tutorials to discover R

September 28, 2013
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A series of tutorials, in R, by Anthony Damico. As claimed on http://twotorials.com/, “how to do stuff in r. two minutes or less, for those of us who prefer to learn by watching and listening“. So far, 000 what is r? the lingua statistica, s’il vous plaît 001 how to download and install r 002 simple shortcuts for the windows r...

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Tutorial: Parallel programming with foreach

August 30, 2013
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Exegetic Analytics extols the wonders of foreach package for iterative operations that go beyond the standard "for" loop in R. For example, here's a neat (if not optimally efficient) construct using filters to calculate the primes less than 100: foreach(n = 1:100, .combine = c) %:% when (isPrime(n)) %do% n The open-source team at Revolution Analytics created the foreach...

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ECVP tutorial on classification images

August 30, 2013
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ECVP tutorial on classification images

The slides for my ECVP tutorial on classification images are available here. Try this alternative version if the equations look funny. (image from Mineault et al. 2009) The slides are in HTML and contain some interactive elements. They’re the result of experimenting with R Markdown, D3 and pandoc. You write the slides in R Markdown,

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XML in R – A (German) tutorial / XML in R – ein Tutorial auf Deutsch

August 9, 2013
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I used knitr to hack together a very short tutorial about XML in R.It's in German. And it's not very long. But, hey, it's free :)I hope it can be of help to someone who wants to get started with XML processing in R.Please feel free to post or send any ...

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A Julia Meta Tutorial

July 11, 2013
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A Julia Meta Tutorial

If you are thinking about taking Julia, the hot new mathematical, statistical, and data-oriented programming language, for a test drive, you might need a little bit of help. In this blog we round up some great posts discussing various aspects … Continue reading → The post A Julia Meta Tutorial appeared first on Data Community DC.

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user2013: The caret tutorial

July 9, 2013
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user2013: The caret tutorial

This afternoon I went to Max Kuhn’s tutorial on his caret package. caret stands for classification and regression (something beginning with e) trees. It provides a consistent interface to nearly 150 different models in R, in much the same way as the plyr package provides a consistent interface to the apply functions. The basic usage

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user2013: The Rcpp tutorial

July 9, 2013
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user2013: The Rcpp tutorial

I’m at user 2013, and this morning I attended Hadley Wickham and Romain Francois’s tutorial on the Rcpp package for calling C++ code from R. I’ve spent the last eight years avoiding C++ afer having nightmares about obscure pointer bugs, so I went into the room slightly skeptical about this package. I think the most

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googleVis tutorial at useR!2013

July 9, 2013
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googleVis tutorial at useR!2013

Today Diego and I will give our googleVis tutorial at useR!2013 in Albacete, Spain.googleVis Tutorial at useR! 2013We will cover:Introduction and motivationGoogle Chart ToolsR package googleVisConcepts of googleVisCase studiesgoogleVis on shiny

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