Blog Archives

Building your own blockchain in R

December 26, 2017
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Building your own blockchain in R

Everybody is freaking out about the rise of the Bitcoin and the potential of the Blockchain technologies. The advent of cryptocurrencies, game changing use cases, disruption of established business models by disintermediation, etc.. 
By...

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The Datathon and how to make the most of it

June 28, 2016
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The Datathon and how to make the most of it

There are hundreds of definitions for the term Data Scientist… Fancy Venn Diagrams (like this one or this one), radial charts with a ridiculous number of skills (like the one here), multi-dimensional highly complicated charts...

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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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Mr. Spearman or how to explore changes in trends

February 14, 2015
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Mr. Spearman or how to explore changes in trends

Last week I was with my good friend Johannes on the phone. He just became a father and called her adorable daughter “Franziska”. It made me think about the meaning of the name… Franziska...

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Turning R into a GIS – Mapping the weather in Germany

January 29, 2015
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Turning R into a GIS – Mapping the weather in Germany

Nothing has gotten more attention in the visualization world like the map-based insights, or in other words, just plotting on a map different KPIs to allow for a playful discovery experience. I must admit,...

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The echo of a tragedy in Social Media – “The Making of”

January 14, 2015
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The echo of a tragedy in Social Media – “The Making of”

In this post I’m going to describe how I pull together the visualization of The echo of a tragedy in Social Media. I used 3 different technologies to pull it together: PHP for data...

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C’est l’Europe qui pleure – The echo of a tragedy in Social Media

January 14, 2015
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C’est l’Europe qui pleure – The echo of a tragedy in Social Media

Don’t worry about the title of this post… I’m not going to talk about the atrocities we’ve seen in the last days in France. I’m not going to say anything about that, because almost...

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Understanding New Year’s Resolutions with Google Trends in R

January 1, 2015
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Understanding New Year’s Resolutions with Google Trends in R

2015 just kicked off and we all are familiar with the process of making resolutions for the new year. It happens every single year across the globe… and the list of top resolutions looks...

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Measuring the execution time of recommender systems in R

December 25, 2014
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Measuring the execution time of recommender systems in R

This post is different from all others you’ve seen so far on this site. This is actually not a proper post, but a respond to a comment from my previous post Recommender Systems 101 – a...

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Recommender Systems 101 – a step by step practical example in R

December 24, 2014
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Recommender Systems 101 – a step by step practical example in R

Every one of us is unique! …You are unique!  there are sooo many people different from you… but at the same time, there are also A LOT that are damned similar to you… exhibiting the...

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