Blog Archives

R Blog Readers Survey

June 28, 2014
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I've almost achieved my goal of a minimum of 100 quality responses.  I will keep the survey open for a couple more days, so if you haven't responded, please feel free to have a crack at it.Regards,Coryhttps://www.surveymonkey.com/s/7DY8DYH

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Survey – Voice of the Reader

June 22, 2014
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Dear Blog Readers,I have numerous topics I could discuss in future blog posts.  However, I would like to capture those topics that most interest you.  Therefore, I've put together a short survey (see the link below) for everyone to weigh-in o...

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The NFL Reloads: Using R to Have a Look

May 14, 2014
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The NFL Reloads:  Using R to Have a Look

NFL Draft 2014 It can't be easy being a Jacksonville Jaguars fan. It seems that management has learned nothing from the Blaine Gabbert debacle. By that I mean I'm not impressed with their first round pick Blake Bortles. Bucky Brooks of NFL.com called him a “developmental prospect”. Developmental? Is that what you want from the third overall pick? I hate...

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Analysis of Copper and Equity Prices on the Quandl.com blog

April 24, 2014
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http://blog.quandl.com/blog/mythbusting-dr-copper/

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Mythbusting – Dr. Copper

April 21, 2014
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Mythbusting – Dr. Copper

Image by Justin Reznick   “An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.” Laurence J. Peter (author and creator of the Peter Principle) If you were paying attention to financial sites last month, you probably noticed a number of articles on “Dr. Copper”. Here is

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MoneyPuck – Best subsets regression of NHL teams

March 17, 2014
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MoneyPuck – Best subsets regression of NHL teams

Spring is at hand and it is a time of renewal, March Madness and to settle scores in the NHL.  There are many scores to be settled: Flyers vs. Penguins, Blackhawks vs. Red Wings, Leafs vs. Habs and pretty much everyone else vs. the Bruins.  L...

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The "Fighting Sioux" Surge

March 8, 2014
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The "Fighting Sioux" Surge

Even a casual fan of North Dakota Hockey will notice that in the era of Coach Dave Hakstol, the team seems to perform better in the second half of the season than the first.  For the rabid fans of the team like myself, it has become a horrible and...

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An Inconvenient Statistic

February 4, 2014
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An Inconvenient Statistic

As I sit here waiting on more frigid temperatures subsequent to another 10 inches of snow, suffering from metastatic cabin fever, I can't help but ponder what I can do examine global warming/climate change.  Well, as luck would have it, R has the tools to explore this controversy.  Using two packages, vars and forecast, I will see if I...

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Spurious Regression of Time Series

December 30, 2013
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Spurious Regression of Time Series

spu.ri.ousadjective : not...

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Part 3: Random Forests and Model Selection Considerations

December 10, 2013
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Part 3:  Random Forests and Model Selection Considerations

I want to wrap this series up on the breast cancer data set and move on to other topics.  Here I will include the random forest technique and evaluate all three modeling techniques together, including the conditional inference tree and bootstrap a...

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