Advanced R Profiling with pbdPAPI

July 22, 2014
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Advanced R Profiling with pbdPAPI

R has some extremely useful utilities for profiling, such as system.time(), Rprof(), the often overlooked tracemem(), and the rbenchmark package. But if you want more than just simple timings of code execution, you will mostly have to look elsewhere. One of the best sources for profiling data is hardware performance counters, available in most modern hardware. This data can...

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Chart from R + Color from Javascript

July 22, 2014
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Another color experiment combining resources from R and Javascript.  I just wish I could do Mean Phylogenetic Distance in Javascript like rPlotter.  I enjoyed using d3.js zoom behavior to...

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Rcpp11 3.1.1

July 22, 2014
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R 3.1.1 was released a few days ago, and as part of the policy we are trying to follow for Rcpp11 releases, here is Rcpp11 3.1.1. Sorry for the...

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Announcing Packrat v0.4

July 22, 2014
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Announcing Packrat v0.4

We’re excited to announce a new release of Packrat, a tool for making R projects more isolated and reproducible by managing their package dependencies. This release brings a number...

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Intermission: A Data File For Futures Data (from Quandl)

July 22, 2014
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Intermission: A Data File For Futures Data (from Quandl)

So between variations of different strategies, for those who have yet to come across it, my IKTrading package has a … Continue reading →

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Comrades Marathon: A Race for Geriatrics?

July 22, 2014
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Comrades Marathon: A Race for Geriatrics?

It has been suggested that the average Comrades Marathon runner is gradually getting older. As an “average runner” myself, I will not deny that I am personally getting older....

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How to Choose an R-Trainer?

July 22, 2014
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How to Choose an R-Trainer?

by James Peruvankal There are plenty of options if you want to learn R and are looking for training: your college’s statistics department, massive open online courses like Coursera,...

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Rcpp11 t-shirt sightseeing

July 22, 2014
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Rcpp11 t-shirt sightseeing

While we wait for CRAN to process the release of Rcpp11 3.1.1, here are some news about the Rcpp11 t-shirt. With more than 40 attendees, the Rcpp11 tutorial was...

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Things I Forget: Push/Pull Greyed out in RStudio?!?

July 22, 2014
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Things I Forget: Push/Pull Greyed out in RStudio?!?

So, on more than one occasion I have set up a repository locally, then on GitHub and pushed to that repo from the shell. This works great, but this...

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Note to self: brew cleanup r

July 22, 2014
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Note to self: after updating R with Homebrew remember to cleanup old versions: brew cleanup r Otherwise I'm liable to get a segfault. (see also)

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EARL Conference, London, 15-17 September 2014

July 22, 2014
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EARL R Bloggers ad (1)

EARL (Effective Applications of the R Language) is a unique conference dedicated to the growing commercial usage and business applications of R. We currently have less than 100 delegate places...

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A Handy Trick for Remote Graphics

July 22, 2014
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A Handy Trick for Remote Graphics

I often create plots that require quite a bit of computation.  Ideally I would run this on what I’ll call Machine A, which is a very fast machine, but...

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Notes from the 2nd R in Insurance Conference

July 22, 2014
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Notes from the 2nd R in Insurance Conference

The 2nd R in Insurance conference took place last Monday, 14 July, at Cass Business School London. This one-day conference focused once more on applications in insurance and actuarial...

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There’s no mistake in the barley data

July 21, 2014
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There’s no mistake in the barley data

Statistics has many canonical data sets. For classification statistics, we have the Fisher's iris data. For Big Data statistics, the canonical data set used in many examples is the...

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UseR 2014, days 3-4

July 21, 2014
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UseR 2014, days 3-4

Three weeks ago, I’d commented on the first two days of the UseR 2014 conference. I’m finally back to talk about the second half. Dirk Eddelbuettel on Rcpp Dirk...

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Geomorph update 2.1.1 now available!

July 21, 2014
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Geomorph update 2.1.1 now available!

Geomorph users,We have uploaded version 2.1.1 to CRAN. The windows and mac binaries have been compiled and the tarball is available.Version 2.1.1 contains small updates and fixes a few small bugs.New...

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Master interactive documents at the Shiny Dev Center

July 21, 2014
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Master interactive documents at the Shiny Dev Center

We’ve added a new section of articles to the Shiny Development Center. These articles explain how to create interactive documents with Shiny and R Markdown. You’ll learn how to...

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Income distribution and Tour de France

July 21, 2014
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A few days ago, Jean-François Mignot published an interesting article entitled Tour de France 2014 : pourquoi le vainqueur gagne 100 fois plus que le 10e. In this article, we have...

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How to update and backup a MySQL database under version control and all within Rstudio

July 21, 2014
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How to update and backup a MySQL database under version control and all within Rstudio

I am trying to have better workflows to ensure data quality and two important things for me are first, scripting as much as posible the data manipulation process, and...

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Changes in rnoaa v0.2.0

July 21, 2014
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We just released v0.2 of rnoaa. For details on the update, see the release notes. What follows are some notes on the more important changes. Updating to v0.2 Install rnoaa...

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Weekly Variability Simulation of Fantasy Football Projections

July 20, 2014
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Weekly Variability Simulation of Fantasy Football Projections

In this post, I show how to estimate players’ week-to-week variability in fantasy football points.  In a prior post, I demonstrated how to calculate a player’s risk level, as...

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Graphing football world cup shots with rCharts

July 20, 2014
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So, the FIFA World Cup is over. Germany won. Yay!Now with so much less football matches to watch, I tried the awesome new R package rCharts by Ramnath Vaidyanathan. In...

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Is difference in proportion appropriate measure to compare performance of a drug over another one?

July 20, 2014
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(This article was first published on MATHEMATICS IN MEDICINE, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his...

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The Rise and Fall of the name Jennifer

July 19, 2014
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The Rise and Fall of the name Jennifer

A recent fascinating post by Analysis at Large got me interested in naming trends analysis. The original post used Social Security data by state to map out the more...

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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....

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Creating an Interactive Map of Craft Breweries in VA Using the plotly R Package

July 18, 2014
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Creating an Interactive Map of Craft Breweries in VA Using the plotly R Package

Well folks, another new year’s resolution down the drain. I was initially shooting for a post each month for 2014. More projects came. Plates were full. Plates were emptied....

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US Names by State: Part I (Mary is everywhere!)

July 18, 2014
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US Names by State: Part I (Mary is everywhere!)

I was browsing the Social Security Administration’s website and found a link for the open government initiative (http://www.ssa.gov/open/data/).  There seems to be a fair amount of interesting data here,...

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July 22: Applications in R Webinar

July 18, 2014
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Just a quick heads-up that I'll be presenting with Neera Talbert (VP Professional Services, Revolution Analytics) in a free webinar on Tuesday, July 22 on Applications in R: Success...

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Batman’s Choice

July 18, 2014
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Batman’s Choice

A hero can be anyone, even a man doing something as simple and reassuring as putting a coat on a young boy’s shoulders to let him know the world...

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