544 search results for "register"

Spline interpolation of temporal resolution for satellite images.

August 25, 2014
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Spline interpolation of temporal resolution for satellite images.

This week, I had a discussion with a few of my colleagues on the possibility of utilizing remote sensing data or satellite images to improve our statistical estimation such as imputation. One source of interest is the

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21 R navigation tools

August 17, 2014
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21 R navigation tools

Navigation gets you from where you are to where you want to be. Speaking of navigation, you can jump to selected sections of this post: Navigation; R-bloggers; Task views; Rdocumentation.org; sos package; ??; apropos; ls; methods; getAnywhere; :::; find; args; grep; %in%; str; getwd; file.choose; Spyglass summary; browser; See also. Overview Figure 1: A map The post

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Quicksort speed, just in time compiling and vectorizing

August 17, 2014
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Quicksort speed, just in time compiling and vectorizing

I was reading the Julia documentation the other day. They do speed comparisons to other languages. Obviously R does not come out very well. The R code for quicksort is here and I noticed it was not vectorized at all. So I wondered if it could be improv...

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Update to resolv (0.1.2) + valgrind and R + Parallel DNS Requests with Revolution R’s ‘foreach’ and `doParallel`

August 15, 2014
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Thanks to a blog comment by @arj, I finally ran at least one of the new Rcpp-based through valgrind (resolv) and, sure enough there were a few memory leaks which are now fixed. However, I first ran valgind with a simple test R script that just did library(stats) to get a baseline (and dust off some...

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Critical Data (free) Hackathon in London (Sept 6-7, 2014)

August 11, 2014
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We would like to invite you to participate in our forthcoming Critical Data Marathon a FREE event taking place in London on 6-7 September 2014. The event is collaboratively organised between researchers at Massachusetts Institute of Technology (MIT), University College London, King’s College London, and Imperial College London.The data marathon will bring together frontline healthcare providers (nurses, pharmacists, doctors) with data scientists to...

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Master R Developer Workshop – San Francisco, January 19-20

August 11, 2014
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Master R Developer Workshop – San Francisco, January 19-20

RStudio is planning a new Master R Developer Workshop to be taught by Hadley Wickham in the San Francisco Bay Area on January 19-20. This will be the same workshop that Hadley is teaching in September in New York City to a sold out audience. If you did not get a chance to register for the

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Guns are Cool – Differences between states

August 3, 2014
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Guns are Cool – Differences between states

Last week my blog showed that there are differences between states in the shootingtracker database. This week it is attempted to understand why states are different. A number of variables were extracted from a few sources, among which gun laws, % ...

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jpmml and R (Free Webinar)

July 28, 2014
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jpmml and R (Free Webinar)

This free, global webinar will provide an introduction to jpmml, the world’s leading open-source PMML scoring engine currently being utilized by companies such as Airbnb to rapidly deploy predictive models into production. Webinar Format: – What is PMML? – Building … Continue reading →

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Announcing Shiny Server Pro 1.2

July 24, 2014
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Announcing Shiny Server Pro 1.2

RStudio is very pleased to announce the general availability of Shiny Server Pro 1.2. Download a free 45 day evaluation of Shiny Server Pro 1.2 Shiny Server Pro 1.2 adds support for R Markdown Interactive Documents in addition to Shiny applications. Learn more about Interactive Documents by registering for the Reproducible Reporting webinar August 13

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Guns are cool – time effects

July 19, 2014
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Guns are cool – time effects

September last year I made a post using the shootingtracker data. It is attempted in shootingtracker to register all shootings with at least four victims, be they wounded or dead. The data starts  January 1st 2013, which means that by now the...

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