Comparing Flexible and Elastic Asset Allocation

January 30, 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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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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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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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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Presidential Approval and Applause

January 26, 2015
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Presidential Approval and Applause

Some may have seen a twitter post about spurious correlations that myself and others mentioned on twitter.  Basically this was a joke about how correlation can be found in many...

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xkcd on P-values

January 26, 2015
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xkcd on P-values

From the "statistician humour" department, today's xkcd cartoon will ring a bell for anyone who's ever published (or read!) a scientific article including a P-value for a statistical test:...

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Wine for Breakfast: Consumption Occasion as the Unit of Analysis

January 26, 2015
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Wine for Breakfast: Consumption Occasion as the Unit of Analysis

If the thought of a nice Chianti with that breakfast croissant is not that appealing, then I have made by point: occasion shapes consumption. Our tastes have been fashioned...

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5 new R jobs (2015-01-26)

January 26, 2015
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5 new R jobs (2015-01-26)

This is the bimonthly R Jobs post (for 2015-01-26), based on the R-bloggers’ sister website: R-users.com. If you are an employer who is looking to hire people from the R community, please visit this link...

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Docker and Enabling Analytic Workflows

January 26, 2015
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By Mark Sellors – Senior IT Consultant, UK It’s been a few months now since I presented on the ways in which Mango are using Docker at EARL 2014...

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One of My Favorite R Oddities: dump()

January 26, 2015
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One of My Favorite R Oddities:  dump()

R is full of things that make "real programmers" (I dislike this term) turn their noses up in disgust. One of my favorites is the dump() function. It is...odd....

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stringdist 0.9: exercise all your cores

January 26, 2015
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stringdist 0.9: exercise all your cores

The latest release of the stringdist package for approximate text matching has two performance-enhancing novelties. First of all, encoding conversion got a lot faster since this is now done...

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Comparing the contribution of NBA draft picks

January 25, 2015
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Comparing the contribution of NBA draft picks

When it comes to the NBA draft, experts tend to argue about a number of things: at which position will a player be selected? what is the best draft class ever? etc…...

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