Blog Archives

The use of bicycles in Helsinki

June 15, 2017
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The use of bicycles in Helsinki

Every six months, the city of Helsinki publishes data on the number of cyclists in Helsinki per hour. Since 2014, a number of meters have been planted in different areas of Helsinki (Kaisaniemi, Munkkiniemi 1 and 2, Hesperian, Eteläesplanadi and Baana) to count the number of bikes. The latest data is freely available here. I … Continue reading "The...

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Analyse des tweets du débat d’entre-deux-tours

May 5, 2017
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Analyse des tweets du débat d’entre-deux-tours

Emmanuel Macron et Marine Le Pen se sont affrontés lors du débat de l’entre-deux-tours mercredi dernier. Ce débat télévisé suivi par près de 16 millions de téléspectateurs a été l’occasion pour moi de tester le package « TwitteR » qui permet de récupérer les tweets. Je me suis concentré sur les tweets publiés pendant le débat de … Continue reading "Analyse...

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A simple example of webscraping with R : the top 5% economist ranking

April 21, 2017
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A simple example of webscraping with R : the top 5% economist ranking

The data analyzed in this post come from RePEc which is a collaborative project well-known by economists. It gathers links to working papers, journal articles or software components and also provides a ranking of more than 30,000 registered economists. This ranking is calculated by taking a harmonic mean of the ranks of many criterion considered … Continue reading "A...

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