Publications by julianhi
Cluster your Twitter Data with R and k-means
Hello everbody! Today I want to show you how you can get deeper insights into your Twitter followers with the help of R. Because I just completed the course “Machine Learning” by Prof. Andrew Ng on Coursera I will use the k-means algorithm and cluster my Twitter followers by the ratio of their followers and how many people they follow. Set...
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Visualize Your Foursquare Check-ins with R
You can use this tutorial in the ThinkToStartR package with: token map Hey R-Fans! You sure all heard of Foursquare. It has more than 45 million users but it´s potential is not recognized by much people. So today I want to show you how easy it is to get your check-in history and visualize it with rCharts and a leaflet map. The Foursquare a...
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Build a SPAM filter with R
You can find the complete code on github: https://github.com/JulianHill/R-Tutorials/blob/master/spam_class_r.r Introduction: The topic Machine Learning gets more and more important. The number of data sources grows everyday and it makes it hard to get insights out of this huge amount of data. This increases the need for machine learning algorith...
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Gender Analysis of Facebook Post Likes
A lot of people showed a huge interest in analyzing Facebook data with R. So I decided to write some more tutorials about the possibilities you have with Rfacebook package created by Pablo Barbera. This tutorial will be about plotting the gender distribution of the likes of Facebook page posts. The Rfacebook package does not include a direct fun...
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Analyze Instagram with R
This tutorial will show you how you create an Instagram app, create an authentication process with R and get data via the Instagram API. There is no R package for this yet so we have to configure the authentication and data download process on our own. But Instagram offers a pretty good documented API and uses oAuth 2 which makes it easy to use w...
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Analyze LinkedIn with R
If you have any questions to this tutorial or find some problems please feel free to create a topic in the forum: http://thinktostart.com/forums/forum/questions-tutorials/analyze-linkedin-with-r/ Some time ago I saw an interesting post in a R related group on LinkedIn. It was from Michael Piccirilli and he wrote something about his new package...
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