Blog Archives

Introducing Boardgame Recommendation website built with Shiny

March 27, 2017
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My family and I love boardgames.  We are also on the lookout for new ones that would fit with the ones we already like to play.  So I decided to create a boardgame recommendation websitehttps://larrydag.shinyapps.io/boardgame_reco/I built it using R.  The recommendation engine uses a very simple collaborative filtering algortihm based on correlation scores from other boardgame players collection...

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Microsoft allows trying its new SQL Server for Linux

November 16, 2016
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This is a great time to have tools to do data analysis.  Microsoft is now allowing evaluations of its new SQL Server.  This new SQL Server can now be deployed to a Linux OS environment.  This is big news especially for those that have followed this blog through the years.The new SQL Server version is also carries new...

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Microsoft releases LightGBM

October 17, 2016
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Microsoft has been really increasing their development of tools in the predictive analytics and machine learning space.  Another such tool they released recently is LightGBM.  From the Github site...LightGBM is a fast, distributed, high performance gradient boosting (GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning...

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Statistical Analysis and Data Mining hot on LinkedIn for 2014

December 19, 2014
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Statistical Analysis and Data Mining are considered the hottest skills on LinkedIn for 2014.  According to their report from analyzing jobs and recruiters on the LinkedIn website.  I would say its safe to say that it will continue to be ...

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Interesting high contrast plots in R

September 22, 2014
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Interesting high contrast plots in R

I was inspired by this blog post and thought I could do the same thing in R.  Well I posted the code in Google+Here are my results.  Not bad.

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Introducing the Shiny App DThiring

August 4, 2014
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Well it has a been a long time since I have written anything on this blog.  I am long overdue.  I've been terribly busy learning new things and getting on with life.  One of the things I have learned is building R applications using Shin...

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Google Statistician uses R and other programming tools

February 16, 2013
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A great interview on the Simply Statistics blog with Google's Nick Chamandy, Phd in Statistics.  Explains that he mainly uses R among other tools to perform his work at Google.  Also of note is the active data science community within Google ...

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Popularity of R continues

July 2, 2012
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Popularity of R continues

No doubt those that read my blog know that the tools I use to do my Industrial Engineering and Operations Research work heavily rely on the open source side of software.  That is why I try to support as many open source projects such as COIN-OR, G...

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National Registry of Exonerations charts with R

May 21, 2012
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National Registry of Exonerations charts with R

According to recent news (dallasnews.com) there is a new release of a public national database for wrongful convictions.  There are plenty of details in the public list including Age, Race, and how the conviction was overturned.  According to...

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R graphic used for Facebook IPO

February 2, 2012
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R graphic used for Facebook IPO

Apparently former Facebook intern, Paul Butler,  graphic of the Facebook social network graph is being used for Facebook's IPO.  The social network graphic is featured on Page 7 of the IPO filing.  His graphic was featured on mashable an...

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