Articles by Alexis

The use of bicycles in Helsinki

June 15, 2017 | 0 Comments

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

May 5, 2017 | 0 Comments

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

April 21, 2017 | 0 Comments

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 ...
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