Blog Archives

Optimal Pricing for a Simple Monopolist

July 5, 2013
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Optimal Pricing for a Simple Monopolist

# A single price monopolist is a monopolist because it is the only supplier of a particular product. The monopolist therefore has the power to choose a price to sell the product at. # Those who have a willingness to pay which is greater than the ...

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Zombie Apocalypse Survival Test – R-Powered (using Concerto)

June 17, 2013
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Zombie Apocalypse Survival Test – R-Powered (using Concerto)

This test is the first attempt to seriously assess the ability of individuals to survive a zombie apocalypse.  This test is administered using the R powered open-source testing platform Concerto developed at the University of Cambridge. The t...

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Sudoku Automation Solver Challenge – R

June 14, 2013
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Sudoku Automation Solver Challenge – R

On a recent flight I was bored waiting for the plane to land and I tried out the electronic sudoku game that they had offered.  I found the game surprisingly interesting as I realized that it is far more entertaining when you cannot use paper or p...

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More explorations of Shiny

June 11, 2013
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More explorations of Shiny

I have continued to explore the functionality of the Shiny package released by the Rstudio team and I have been increasingly impressed.  The code fits together very clean and easy to manipulate or add to.  If you have some knowledge of html o...

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Bulk search for domain names using R

June 8, 2013
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# There are several domain name servers that allow # for bulk searching of domain names.# http://www.godaddy.com/bulk-domain-search.aspx# http://www.namestation.com/bulk-domain-search# However, they do not provide any wildcard support # and instead exp...

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A Shiny App Goes Viral

June 7, 2013
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A Shiny App Goes Viral

I am not sure how many of you have seen this Business Insider article.  It is basically about a shiny app created by Joshua Katz as NC State.  It is really fun playing with shiny app.With nearly a million facebook likes this web app buil...

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Running R Scripts Directly From Dropbox

June 5, 2013
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I have written a little function that allows users to run R scripts out of Dropbox directly from any location.  It was aided by this post on biobucket.  The reason I am particularly interested in this feature is because I am often using a ser...

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Are Fox News Polls Biased?

May 29, 2013
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Are Fox News Polls Biased?

Especially after the outcome of the mid-term election, I think there is a common contention among some groups that there is something wonky about Fox News when it comes to reporting polls relative to President Obama and the Democratic Party in general....

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Item Analysis App – Shiny Code

May 28, 2013
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Item Analysis App – Shiny Code

Here is the code for my first Shiny App! It is the one that I posted previously with a few slight revisions. You can see it at:A Shiny R AppIn order to make any sense of this I suggest you working through the tutorial (http://www.rstudio.com/shiny/) it...

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Shiny + Concerto = YES !!!

May 23, 2013
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Shiny + Concerto = YES !!!

So I have finally gotten beta access to the two most powerful R controlled web application makers in existence and produced very exciting experimental productsA few posts ago I posted a Visual Reasoning Test that I had made by hand and powered wit...

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