2309 search results for "Map"

Abbreviations of R Commands Explained: 250+ R Abbreviations

May 10, 2010
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The R programming language includes many abbreviations. Abbreviations exist in function names, argument names, and allowed values for arguments. This post expands on over 150 R abbreviations with the aim of making it easier for users new to R who are trying...

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Abbreviations of R Commands Explained: 250+ R Abbreviations

May 10, 2010
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The R programming language includes many abbreviations. Abbreviations exist in function names, argument names, and allowed values for arguments. This post expands on over 150 R abbreviations with the aim of making it easier for users new to R who are trying...

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Revolution R Enterprise now free to academics

May 6, 2010
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Unlike Revolution R Community which is 100% free to everyone, our commercial-grade Revolution R Enterprise distribution bundles R with proprietary components from our development team, which are normally available only to paying subscribers. (Those subscriptions are the way we get income to keep the company going.) Those components include our full ParallelR libraries for parallel programming, enhanced for 64-bit...

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REvolution Computing is now Revolution Analytics

May 6, 2010
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So, as you may have noticed from the new banner here at the blog, we've changed our name to Revolution Analytics. It's still the same company and the same people, and still focused around the R Project, but now with a fresh new look and lots of exciting news. I'll be blogging about our new academic program, our new...

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Where do you want an R User Group?

May 4, 2010
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Wishing there was a local R User's group in your area, but can't find one? New user groups are springing up all the time, but you can kickstart the process by registering interest for a group in your area at meetup.com. As you can see from the map below, there's interest in many places -- your vote could prompt...

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Building Scoring and Ranking Systems in R

May 3, 2010
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Building Scoring and Ranking Systems in R

This guest article was written by author and consultant Tristan Yates (see his bio below). It emphasizes R’s data object manipulation and scoring capabilities via a detailed financial analysis example. Scoring and ranking systems are extremely valuable management tools. They can be used to predict the future, make decisions, and improve behavior – sometimes all The post Building...

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Data Manipulation with R – Spector (2008)

April 30, 2010
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Data Manipulation with R – Spector (2008)

Title: Data Manipulation with RAuthor(s): Phil SpectorPublisher/Date: Springer/2008Statistics level: N/A Programming level: Intermediate Overall recommendation: Highly recommended If there is one book that every beginning R user coming from a programming background should have, it is Spector’s Data Manipulation with R. New R users with analytic backgrounds and experience with software packages such as SAS The post Data...

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Summarising data using box and whisker plots

April 25, 2010
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Summarising data using box and whisker plots

A box and whisker plot is a type of graphical display that can be used to summarise a set of data based on the five number summary of this data. The summary statistics used to create a box and whisker plot are the median of the data, the lower and upper quartiles (25% and 75%)

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R 2.11.0 released

April 22, 2010
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The latest version of R from the R Project, R 2.11.0, is now available in source code form. Binaries for Windows, Mac and Linux will appear in your local CRAN mirror in the next few days. Some new features include: Support for rendering bitmap images in graphics devices, via a new function rasterImage() The new function vapply is like...

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Thoughts on LSPM from R/Finance 2010

April 18, 2010
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Thoughts on LSPM from R/Finance 2010

I just got back from R/Finance 2010 in Chicago. If you couldn't make it this year, I strongly encourage you to attend next year. I will post a more comprehensive review of the event in the next couple days, but I wanted to share some of my notes spec...

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