Unemployment

February 1, 2015
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Unemployment

Beginning 2013 I made a post plotting unemployment in Europe. Last year I did the same. Now that the unemployment numbers of December are on Eurostat, I am making them again. The plots shown are unemployment and its first derivative, both smoothed.You ...

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The leaflet package for online mapping in R

January 31, 2015
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The leaflet package for online mapping in R

It has been possible for some years to launch a web map from within R. A number of packages for doing this are available, including: RgoogleMaps, an interface to the...

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Bio7 2.0 for Linux Released!

January 31, 2015
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Bio7 2.0 for Linux Released!

01.02.2015 I released the Linux version of Bio7 2.0 (see screenshot below). For an overview of the new Bio7 features follow the link: Bio7 2.0 new features Added Linux...

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Rediscovering Formula One Race Battlemaps

January 31, 2015
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Rediscovering Formula One Race Battlemaps

A couple of days ago, I posted a recipe on the F1DataJunkie blog that described how to calculate track position from laptime data. Using that information, as well as...

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Carl Boettiger on accessing online data with ROpenSci

January 30, 2015
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*Today, Carl Boettiger gave a tutorial on the ROpenSci project and how to use their many packages to connect to online data repositories to retrieve...

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Reproducibility with Revolution R Open and the checkpoint package

January 30, 2015
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Thanks to everyone at the Chicago R User Group for giving me such a warm welcome for my presentation last night. In my talk, I gave an introduction to...

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littler 0.2.2

January 30, 2015
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littler 0.2.2

A new minor release of littler is available now. Several examples were added or extended: a new script check.r to check a source tarball with R CMD check after loading...

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How e Can Help You To Find The Love Of Your Life

January 30, 2015
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How e Can Help You To Find The Love Of Your Life

Match.com will bring more love to the planet than anything since Jesus Christ (Gary Kremen, founder of Match.com) Charlie is a brilliant 39 years old mathematician living in Massachusetts....

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The time series of JGB Interest Rate(10Y) over the last one year

January 29, 2015
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World wide quantitative easing does not seem to end. I live and work in Japan which has the lowest interest rate.Thanks to Quandl and RStudio, I can easily get the data of...

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Comparing Flexible and Elastic Asset Allocation

January 29, 2015
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Comparing Flexible and Elastic Asset Allocation

So recently, I tried to combine Flexible and Elastic Asset Allocation. The operative word being–tried. Essentially, I saw Flexible Asset … Continue reading →

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An R User Group Mini Conference

January 29, 2015
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by Joseph Rickert With a membership that spans the entire Bay Area and the ability to hold meetings from San Jose to San Francisco, the Bay Area useR Group...

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What does a Bayes factor feel like?

January 29, 2015
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What does a Bayes factor feel like?

A Bayes factor (BF) is a statistical index that quantifies the evidence for a hypothesis, compared to an alternative hypothesis (for introductions to Bayes factors, see here, here or...

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RStudio – Infoworld 2015 Technology of the Year Award Recipient!

January 28, 2015
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RStudio – Infoworld 2015 Technology of the Year Award Recipient!

Sometimes the universe surprises us. In this case, it was in a good way and we genuinely appreciated it. Earlier this week we learned that the Infoworld Testing Center...

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Now’s a great time to learn R. Here’s how.

January 28, 2015
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In a recent article at opensource.com, I offer up some reasons why now is the time to learn R: data scientists are in high demand, R is the natural...

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Register now for RStudio Shiny Workshops in D.C., New York, Boston, L.A., San Francisco and Seattle

January 28, 2015
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Register now for RStudio Shiny Workshops in D.C., New York, Boston, L.A., San Francisco and Seattle

Great news for Shiny and R Markdown enthusiasts! An Interactive Reporting Workshop with Shiny and R Markdown is coming to a city near you. Act fast as only 20...

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Bringing a Revolution to Microsoft

January 28, 2015
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By Mark Sellors – Senior IT Consultant, UK. In a move that further validates the entire R community, our good friends and colleagues at Revolution Analytics announced their acquisition...

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RInside 0.2.12

January 28, 2015
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A new release 0.2.12 of RInside is now on CRAN. RInside provides a set of convenience classes which facilitate embedding of R inside of C++ applications and programs,...

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Sequence of shopping carts in-depth analysis with R – Sequence of events

January 28, 2015
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Sequence of shopping carts in-depth analysis with R – Sequence of events

This is the third part of the sequence of shopping carts in-depth analysis. We processed initial data in the required format, did the exploratory analysis and started the in-depth analysis...

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rClr 0.7-3 released

January 27, 2015
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rClr 0.7-3 released

Version 0.7-3 of rClr (source code also on GitHub), a package to access arbitrary .NET code seamlessly in-process, has just been released. The package was first introduced a year...

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Assessing mapdata world coastline

January 27, 2015
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Assessing mapdata world coastline

Introduction The mapdata R package contains a coastline called worldHires which is contained within a text file with a bit over 2 million lines. Since the coastlineWorldFine dataset in...

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What a Gas! The Falling Price of Oil and Ontario Gasoline Prices

January 27, 2015
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What a Gas! The Falling Price of Oil and Ontario Gasoline Prices

IntroductionIn case you've been living under a rock, there's been a lot of chatter in the financial world late about the price of oil going down. Way,...

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Check your return types when modeling in R

January 27, 2015
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Check your return types when modeling in R

Just a warning: double check your return types in R, especially when using different modeling packages. We consider ourselves pretty familiar with R. We have years of experience, many...

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Parallel Programming with GPUs and R

January 27, 2015
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by Norman Matloff You've heard that graphics processing units — GPUs — can bring big increases in computational speed. While GPUs cannot speed up work in every application, the...

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googleVis version 0.5.8 released

January 27, 2015
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googleVis version 0.5.8 released

We released googleVis version 0.5.8 on CRAN last week. The update is a maintenance release for the forthcoming release of R 3.2.0. Screen shot of some of the Google...

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Why you should learn R first for data science

January 26, 2015
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Why you should learn R first for data science

Over and over, when talking with people who are starting to learn data science, there’s a frustration that comes up: I don’t know which programming language to start with.”...

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RWE npower Forecasting Challenge

January 26, 2015
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RWE npower Forecasting Challenge

Lately I have been involved in organising forecasting competition for undergraduate students. The obvious goal is to find someone with forecasting power who would potentially be interested in internship...

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the density that did not exist…

January 26, 2015
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the density that did not exist…

On Cross Validated, I had a rather extended discussion with a user about a probability density as I thought it could be decomposed in two manageable conditionals and simulated...

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PACKAGE: matrixStats 0.13.1 – Methods that Apply to Rows and Columns of a Matrix (and Vectors)

January 26, 2015
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PACKAGE: matrixStats 0.13.1 – Methods that Apply to Rows and Columns of a Matrix (and Vectors)

A new release 0.13.1 of matrixStats is now on CRAN. The source code is available on GitHub. What does it do? The matrixStats package provides highly...

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Microsoft acquires Revolution Analytics – news roundup

January 26, 2015
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There was a lot of news coverage on Friday and over the weekend about the news that Microsoft will acquire Revolution Analytics. Here are some links to just a...

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