Turning your data into a 3d chart

July 23, 2010
By
Turning your data into a 3d chart

Some charts are to help you analyse data. Some charts are to wow people. 3d charts are often the latter, but occasionally the former. In this post, we’ll look at how to turn your data into a 3d chart. Let’s use the data from this previous post. Use the code which turns the .csv spreadsheet

Read more »

Plaudits for R

July 23, 2010
By

I just discovered that R core member Paul Murrell has been maintain a list of plaudits for R: newspaper articles, book reviews, remarks on mailing lists and blogs, and even gratitudes from individual R users. He's collected dozens of entries since 2001 -- great materials here if you ever need more evidence of the awesomeness of R. Paul Murrell:...

Read more »

Building an R package (under Windows) without C, C++ or FORTRAN code

July 23, 2010
By
Building an R package (under Windows) without C, C++ or FORTRAN code

Why build and R package? It basically boils down to be able to brag at your local pub that a new version of YOUR package is on CRAN as of 7 p.m. CET. But seriously, if you’ve produced some function that other people might benefit (or have ordered them) from using them, like your boss,

Read more »

Creating a Presentation with LaTeX Beamer – Equations and tikz

July 23, 2010
By
Creating a Presentation with LaTeX Beamer – Equations and tikz

Many presentations created using LaTeX beamer included mathematical equations and these can be easily included in a presentation and in this post we will consider using the tikz package to add various interesting elements to equations, such as lines between text on a slide and part of an equation. Fast Tube by Casper The examples on this

Read more »

UseR! 2010 day 1

July 22, 2010
By

Just a couple of quick notes about the first day of talks at useR! 2010. It's been a jam-packed schedule -- so many good talks to see and people to meet, I just wish I had more time for it all! One stand-out for me so far has been Frank Harrell's keynote lecture Information Allergy, on the dangers of...

Read more »

Quick scatterplot with associated histograms

July 22, 2010
By
Quick scatterplot with associated histograms

R can produce some beautiful graphics, and there are some excellent packages, such as lattice and ggplot2 to represent data in original ways.  But sometimes, all you want to do is explore the realtionship between pairs of variables with the minimum of fuss. In this post we’ll use the data which we imported in the

Read more »

Update to ‘Basic R’ eBook

July 22, 2010
By

(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

Read more »

BP Oil and Gas Recovery

July 21, 2010
By
BP Oil and Gas Recovery

As mentioned in a previous post, the US Department of Energy has been providing data about the Deepwater Horizon as it becomes available.  Recently, the amount of oil and gas recovered was made available.  The spreadsheet includes a grap...

Read more »

Bugs [genuine]

July 21, 2010
By
Bugs [genuine]

Nothing related with programming, I am afraid! Just a few bugs visiting my passion vine… I find the green bugs quite interesting with their back “engravings”, even though they are most likely pests … Filed under: pictures, ...

Read more »

My Talk on Animations at useR! 2010 (NIST, Gaithersburg)

July 21, 2010
By
My Talk on Animations at useR! 2010 (NIST, Gaithersburg)

As every useR knows, the useR! 2010 conference is being held at NIST in Gaithersburg these days. I have just finished my talk on the R package animation this afternoon. Here are my slides and R code for those who are interested: Have fun, even if you are a PhD! Related Postsalphahull: an R Package

Read more »

Inside-R.org, a new community site for R

July 21, 2010
By

As recently as a couple of years ago, finding information about R in the Web was hard. Other than the canonical content and mailing list archives at the official R project site, www.r-project.org, there wasn't too much else dedicated to R on the web -- and what was there was hard to find on Google without the help of...

Read more »

R Cheat Sheets and more

July 21, 2010
By
R Cheat Sheets and more

Here you can find a collection of cheat sheets useful to R developers. Visit the devcheatsheet homepage to inspect cheat sheets and quick reference card for other programming languages and applications.

Read more »

R Cheat Sheets and more

July 21, 2010
By
R Cheat Sheets and more

Here you can find a collection of cheat sheets useful to R developers. Visit the devcheatsheet homepage to inspect cheat sheets and quick reference card for other programming languages and applications.

Read more »

Reminder: Launch Party for Inside-R.org tonight

July 21, 2010
By

If you're in the DC area (attending useR!2010, perhaps) this evening, Revolution Analytics (in conjunction with the DC Area R User Group) is hosting a party to celebrate the launch of Inside-R.org at the Crowne Plaza in Rockville at 8PM. Come along for drinks and food, mingle with other R users, hear about the new community site for R,...

Read more »

Matrix scatterplot of the Airquality data using lattice

July 20, 2010
By
Matrix scatterplot of the Airquality data using lattice

In this post we will build on the last one, and create a matrix scatterplot. The package lattice allows for some really excellent graphics. In case you haven’t already seen it I recommend the R Graph Gallery for some examples of what it can do – browse the graphics by package used to create them.

Read more »

Getting going – importing data and plotting a simple graphic

July 20, 2010
By
Getting going – importing data and plotting a simple graphic

The most difficult part of the learning curve in R is often getting going – many datasets are pre-installed in the packages and organised, so it is difficult to see how you to import your own data into R.  This post takes you step by step through the process of making a table from a

Read more »

New R User Group in Slovenia

July 20, 2010
By

The new R User Group in Ljubljana, Slovenia is giving the Sydney group a run for the money when it comes to the best user group name. It's called Anonymous Rcoholics -- great name! You can join the group at the link below. Discussions are in English and Slovene. Google Groups: Anonymous Rcoholics

Read more »

userR! 2010 Videos to be Hosted at Rchive

July 20, 2010
By

Today, I am packing up the car and heading south to my old home, Washington, DC, for the useR! 2010 conference, which is being held at the National Institute of Standards and Technology. Incidentally, where I was an intern in the Information Technology Lab during college. If you are not able to make the trip to

Read more »

Analysing the ISMB 2010 meeting using R

July 20, 2010
By
Analysing the ISMB 2010 meeting using R

The colossus of bioinformatics meetings, ISMB, convened in Boston this year from July 9 – 13. As in recent years, the meeting was covered online at its website, FriendFeed and Twitter. I thought it would be fun to run a quick analysis of activity at the FriendFeed room using R. 1. Fetch the data We

Read more »

The wonderful world of vim

July 20, 2010
By
The wonderful world of vim

When searching for a way to recover control carriage return symbols ^M into genuine ones (under vim), I found this handy page of vim tips. And then saw that the enthusiastic author had even a blog about vim! Obviously, this post will be meaningless for all readers not aware of the joys of the vim

Read more »

R: Clash of the cannon cycles

July 19, 2010
By
R: Clash of the cannon cycles

Imagine a unit square. Every side has length 1, perfectly square. Now imagine this square was really a fence, and you picked two spots at random along the fence, with uniform probability over the length of the fence. At each of these two locations, set down a special kind of cannon. Just like the light

Read more »

Indian state population plot

July 19, 2010
By
Indian state population plot

Here's a quick R plot of population in Indian states and the breakdown by the religion people practice. The data was obtained from this Indian government site. I'm looking for other state-level data to overlay on this to find interesting patterns e.g....

Read more »

Analyze Online R User Conference Data

July 19, 2010
By
Analyze Online R User Conference Data

The R User Conference 2010 will be underway shortly - and what better way to commemorate the event than to  blast out some R code related to the conference?  HTML tables on websites for the past three years list participants an...

Read more »

R Beginner’s Guide Book Update 7/19/2010

July 19, 2010
By
R Beginner’s Guide Book Update 7/19/2010

Update: Statistical Analysis with R is now available!I am excited to announce that I have submitted the entire first draft of my R Beginner's Guide book, which is to be published through Packt. The tenth and final chapter was submitted a full month ahe...

Read more »

R Beginner’s Guide Book Update 7/19/2010

July 19, 2010
By
R Beginner’s Guide Book Update 7/19/2010

Update: Statistical Analysis with R is now available!I am excited to announce that I have submitted the entire first draft of my R Beginner's Guide book, which is to be published through Packt. The tenth and final chapter was submitted a full month ahe...

Read more »

Welcome to Gosset’s student

July 19, 2010
By
Welcome to Gosset’s student

Welcome to Gosset’s student, a blog about statistics, with a focus on using R.  We’re all learning R, as it’s constantly being improved.  The blog will aim for brevity, and a focussed approach to getting some stats done, rather than elegance of code.  Discussions which show how to replicate the result in a more elegant fashion, or

Read more »

Creating a Presentation with LaTeX Beamer – Boxes

July 19, 2010
By
Creating a Presentation with LaTeX Beamer – Boxes

We can add coloured boxes with text or mathematics into a LaTeX beamer presentation which is particularly useful if we have definitions, theorem or computer code to highlight this information that may not be so accessible within a paragraph of text. Fast Tube by Casper The easiest way to create a box is to use the various

Read more »

New StackOverflow site for Statistics

July 19, 2010
By

Since launching StackOverflow.com as a Q&A forum for programmers, the StackExchange network is now launching about three new sites a week on topics as specialized as cooking, jobs, and many many more. There's a well-defined, community-oriented process for setting up a new site: first it must be proposed, and then enough potential users must commit to the site and...

Read more »

Using R for Data Management, Statistical Analysis and Graphics soon to start shipping

July 19, 2010
By
Using R for Data Management, Statistical Analysis and Graphics soon to start shipping

Our newest book, Using R for Data Management, Statistical Analysis and Graphics, is anticipated to soon start shipping from Amazon, CRC Press, and other fine retailers. The book complements our existing SAS and R book, particularly for users less inte...

Read more »