Monthly Archives: October 2012

Presidential Candidate Sentiment Analysis

October 7, 2012
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Presidential Candidate Sentiment Analysis

After watching the Presidential debates and hearing all the opinions on how the candidates performed, I got the hair brained idea of creating a simple function that would do automate the pulling down of tweets for each candidate, analyze the positivity or negativity of tweets, and then graph them out. This project turned out to

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SPIDER makes the top 10 barcoding publications of 2012

October 7, 2012
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SPIDER makes the top 10 barcoding publications of 2012

In the recent Barcode Bulletin published by iBoL, our humble paper announcing the R package spider: Species identity and evolution made second on their list of the top 10 publications of 2012. Not bad for a side project! Spider is available for downl...

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Splitting and Combining R pdf Graphics

October 7, 2012
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Splitting and Combining R pdf Graphics

A question that often comes across various help lists is how to combine or split an output from an R graphics device. Maybe you have looped/combined multiple visuals into a single pdf to avoid cluttering your working directory and now … Continue reading →

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Sample Input Data.

October 7, 2012
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Sample Input Data.

Just a couple quick examples. Starting with   30 meter impervious surface Followed by MODIS Land cover  ( “red” is urban ) And finally Day  LST   Google earth

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More Fun With Modis

October 7, 2012
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More Fun With Modis

I’ve started a tutorial on using the MODIS package in R the first few steps are here.  While I wait on a release of the package I thought I would play around a bit with the MRT tool and see how it worked.  Let’s recall where we are going.  I have an inventory of around

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Zurich, Sep 2012 – Portfolio Selection

October 7, 2012
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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Cyber Summit 2012: a bit of big data and a lot of small tweets

October 7, 2012
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Cyber Summit 2012: a bit of big data and a lot of small tweets

Last week (October 1-3) MPK Analytics attended the annual Cyber Summit in Banff. The theme for this year was; “Leading the Way in the Age of Big Data“. As might

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Fit and Visualize A MARS Model

October 7, 2012
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Fit and Visualize A MARS Model

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Weekend Reading – Facebook’s P/E ratio

October 7, 2012
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Weekend Reading – Facebook’s P/E ratio

The Barron’s article Still Too Pricey by Andrew Bary looks at the share price of the Facebook and based on the P/E ration valuation metrics concludes that even at the current prices, stock is overvalued. I want to show how to do this type of fundamental analysis using the Systematic Investor Toolbox. First let’s load

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Keeping track of my calories the R way

Keeping track of my calories the R way

So...I'm back with Your Shape: Fitness Evolved 2012 for XBox Kinect. Why? Because I want to loose some weight and get back in shape of course -;)The reason I stop playing the game is simple...I'm lazy...but this time, I have come back with a goal...bur...

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