Blog Archives

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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Visualizing categorical data in R

December 21, 2011
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Visualizing categorical data in R

I came across an interesting SAS macro that was used for visualizing log odds relationships of data.  This type of chart is helpful for visualizing the relationship between a binary dependent variable and a continuous independent variable.  I...

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R Tutorial: Add confidence intervals to dotchart

May 15, 2011
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R Tutorial:  Add confidence intervals to dotchart

Recently I was working on a data visualization project.  I wanted to visualize summary statistics by category of the data.  Specifically I wanted to see a simple dispersion of data with confidence intervals for each category of data. R i...

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R Tutorial: Add confidence intervals to dotchart

May 15, 2011
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R Tutorial:  Add confidence intervals to dotchart

Recently I was working on a data visualization project.  I wanted to visualize summary statistics by category of the data.  Specifically I wanted to see a simple dispersion of data with confidence intervals for each category of data. R i...

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Open Source replacements for Operations Research and Analytics Software

April 21, 2011
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Open Source replacements for Operations Research and Analytics Software

I was reading an article from Datamation on 70 Open Source Replacements for Small Business when I noticed a glaring omission.  Where are the software applications for Operations Research and Analytics?  So here is my best addendum to this art...

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