2691 search results for "map"

Montreal R User Group – Dr. Ramnath Vaidyanathan on his rCharts package

October 27, 2013
By
Montreal R User Group –  Dr. Ramnath Vaidyanathan on his rCharts package

Monday, October 28, 2013. 6:00pm at Notman House 51 Sherbrooke W., Montreal, QC. We are very pleased to welcome back Dr. Ramnath Vaidyanathan for a talk on interactive documents as it relates to his excellent rCharts package. Bringing a laptop to follow along is highly encouraged. I would recommend installing rCharts prior to the workshop. library(devtools) pkgs <- c(‘rCharts’, ‘slidify’, ‘slidifyLibraries’) install_github(pkgs, ‘ramnathv’, ref

Read more »

Mining Research Interests – or: What Would Google Want to Know?

October 25, 2013
By
Mining Research Interests – or: What Would Google Want to Know?

I am a regular visitor of Google’s research page where they post all of their latest and upcoming scientific papers. Lately I have thought whether it would be possible to statistically extract some of the meta-information from the papers. Here’s the result of the analysis of the papers’ titles produced with just a few

Read more »

xkcd: A webcomic of the internet, small talk, meta discussions, and whimsical phantasmagoria

October 25, 2013
By
xkcd: A webcomic of the internet, small talk, meta discussions, and whimsical phantasmagoria

I've recently rediscovered my affection for xkcd , and what better way to show it than to perform a data analysis on the comic's archives. In this post, we use Latent Dirichlet Allocation (LDA) to mine for topics from xkcd strips, and see if it live...

Read more »

An OpenBLAS-based Rblas for Windows 64: Step-by-step

October 24, 2013
By

As a result of my previous post, I’ve had a number of requests to describe how I compiled the BLAS, so I’ll do so below. Of course, the necessary caveats, I am not a programmer nor do I play one on the radio so I probably cannot debug any issue anyone may have. Use the Read the full...

Read more »

School’s out: Building Interactive R Apps with shiny, googleVis in our R Academy

October 24, 2013
By
School’s out: Building Interactive R Apps with shiny, googleVis in our R Academy

In our R Academy course “Interactive Datavisualization with R” participants learned today how to build interactive graphics in R using the shiny and the googleVis package. Rstudios shiny package is a great way to build an Application for interactive visualizations out of R. For our example App we recreated Hans Rosslings (Gapminder) Visualization which puts

Read more »

NESSIS 2013: The future of sports statistics is here!

October 24, 2013
By
NESSIS 2013: The future of sports statistics is here!

by Joseph Rickert We have been following sports statistics regularly on the Revolutions Blog with quite a few sports related posts this year. In one post I did back in April about the Latham R package for baseball statistics I speculated on how baseball was poised to move from Moneyball style predictive analytics to real-time descriptive stats by showing...

Read more »

The joy of data analysis

October 24, 2013
By
The joy of data analysis

Music and snow. Poke my eyes out Perhaps your immediate response is: “I’d rather poke my eyes out with a burning stick than do data analysis.” There’s a completely different reaction from a lot of people who have experienced data analysis. Music It’s not entirely clear why humans like music so much. Part of it The post The...

Read more »

My experience of learning R – from basic graphs to performance tuning

October 23, 2013
By
My experience of learning R – from basic graphs to performance tuning

BackgroundR as some of you may know is a statistical and graphics programming language (see Wikipedia ) used by academia and recently by IT professionals of our ever growing software industry. There is a sudden demand for Data Scientists, Data Analysts and Statisticians with a background in R among other things data and development related subjects. I have...

Read more »

Time series plots in R

October 23, 2013
By
Time series plots in R

I recently coauthored a couple of papers on trends in environmental data (Curtis & Simpson in press; Monteith et al. in press), which we estimated using GAMs. Both papers included plots like the one shown below wherein we show the estimated trend and associated point-wise 95% confidence interval, plus some other markings. The coloured sections show...

Read more »

An OpenBLAS-based Rblas for Windows 64

October 22, 2013
By
An OpenBLAS-based Rblas for Windows 64

One of the more important pieces of software that powers R is its BLAS, which stands for Basic Linear Algebra Subprograms. This is the suite of programs which, as its name implies, performs basic linear algebra routines such as vector copying, scaling and dot products; linear combinations; and matrix multiplication. It is the engine on Read the full...

Read more »