3300 search results for "MAP"

Getting Data From An Online Source

March 6, 2015
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Getting Data From One Online SourceRobert NorbergHello world. It’s been a long time since I posted anything here on my blog. I’ve been busy getting my Masters degree in statistical computing and I haven’t had much free time to blog. But I’ve writing R code as much as ever. Now, with graduation approaching, I’m job hunting and I thought it would...

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Part 3a: Plotting with ggplot2

March 4, 2015
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Part 3a: Plotting with ggplot2

We will start off this first section of Part 3 with a brief introduction of the plotting system ggplot2. Then, with the attention focused mainly on the syntax, we will create a few graphs, based on the weather data we have prepared previously. Next, in Part 3b, where we will be doing actual EDA, specific visualisations...

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Color extraction with R

March 4, 2015
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Color extraction with R

Given all the attention the internet has given to the colors of this dress, I thought it would be interesting to look at the capabilities for extracting colors in R. R has a number of packages for importing images in various file formats, including PNG, JPG, TIFF, and BMP. (The readbitmap package works with all of these.) In each...

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Update on The Pre-FOMC Announcement Drift

March 3, 2015
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Update on The Pre-FOMC Announcement Drift

In the February 2015 edition of The Journal of Finance, a well known academic paper, “The Pre-FOMC Announcement Drift”, was finally published, almost 4 years after the working paper was released in the public domain in 2011.Authored by researchers, Lucca and Moench, at the US Federal Reserve, it documents the tendency for the S&P500 Index to rise in the...

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Next Kölner R User Meeting: Friday, 6 March 2014

March 3, 2015
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Next Kölner R User Meeting: Friday, 6 March 2014

The next Cologne R user group meeting is scheduled for this Friday, 6 March 2014 and we have an exciting agenda with two talks, followed by networking drinks:Using R in Excel via R.NETGünter Faes and Matthias SpixMS Office and Excel are the 'de-facto' standards in many industries. Using R with Excel offers an opportunity...

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Silhouettes

March 2, 2015
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Silhouettes

Romeo, Juliet, balcony in silhouette, makin o’s with her cigarette, it’s juliet (Flapper Girl, The Lumineers) Two weeks ago I published this post for which designed two different visualizations. At the end, I decided to place words on the map of the United States. The discarded visualization was this other one, where I place the words over the silhouette … Continue reading...

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Fuzzy String Matching – a survival skill to tackle unstructured information

February 26, 2015
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Fuzzy String Matching – a survival skill to tackle unstructured information

“The amount of information available in the internet grows every day” thank you captain Obvious! by now even my grandma is aware of that!. Actually, the internet has increasingly become the first address for...

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Using Hadoop Streaming API to perform a word count job in R and C++

February 25, 2015
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by Marek Gagolewski, Maciej Bartoszuk, Anna Cena, and Jan Lasek (Rexamine). Introduction In a recent blog post we explained how we managed to set up a working Hadoop environment on a few CentOS7 machines. To test the installation, let’s play…Read more ›

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How Big Is The Vatican City?

February 24, 2015
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How Big Is The Vatican City?

Dici che il fiume trova la via al mare e come il fiume giungerai a me (Miss Sarajevo, U2) One way to calculate approximately the area of some place is to circumscribe it into a polygon of which you know its area. After that, generate coordinates inside the polygon and count how many of them fall into … Continue reading...

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Masters of Spin: Unraveling the web with R

February 23, 2015
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Masters of Spin: Unraveling the web with R

Here is a look at some of the masters of spin bowling in cricket. Specifically this post analyzes 3 giants of spin bowling in recent times, namely Shane Warne of Australia, Muthiah Muralitharan of Sri Lanka and our very own Anil Kumble of India.  As to “who is the best leggie” has been a hot topic

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