Articles by Oliver Duerr

Image Classification in R using trained TensorFlow models

November 7, 2016 | 0 Comments

Recently RStudio has released a package that allows to use TensorFlow in R. Also recently several trained models for image classification have been released. In this post I describe how to use the VGG16 model in R to produce an image classification like this:(image taken from:
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Collecting geocoded tweets with R and Java

June 4, 2013 | 0 Comments

Number of tweets in different languages posted around GermanyThere are many thing one can do with tweets (sentiment analysis, maps, ...). This entry shows you how you can access the publicly available API using Java and how to analyse the data using R....
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Creating a zoomable map of tweets with R

June 3, 2013 | 0 Comments

Languages tweeted around Germany: red, blue, green, yellow, grey are for German, French, English, Dutch and other  respectively. See here for a zoomable version.Motivated by the project twitter languages of New York I wanted to...
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