Articles by julianhi

Analyze LinkedIn with R

March 18, 2015 | julianhi

 If you have any questions to this tutorial or find some problems please feel free to create a topic in the forum: Some time ago I saw an interesting post in a R... The post Analyze LinkedIn with R appeared first on ThinkToStart. [Read more...]

Analyze Instagram with R

October 13, 2014 | julianhi

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... The post Analyze Instagram with R appeared first on ThinkToStart. [Read more...]

Gender Analysis of Facebook Post Likes

September 27, 2014 | julianhi

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.... The post Gender Analysis of Facebook Post Likes appeared first on ThinkToStart. [Read more...]

Build a SPAM filter with R

September 8, 2014 | julianhi

You can find the complete code on github:   Introduction: The topic Machine Learning gets more and more important. The number of data sources grows everyday and it makes it hard to get... The post Build a SPAM filter with ... [Read more...]

Cluster your Twitter Data with R and k-means

May 13, 2014 | julianhi

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 ... [Read more...]

ThinkToStartR package

March 23, 2014 | julianhi

***ALPHA*** I just started to work on my new package for this blog. This R package will include the code of all my tutorials and will make it accessible with easy function calls. Install To install the ALPHA version of the package open up R and use: Usage In this ... [Read more...]

Create Twitter Wordcloud with Sentiments

March 23, 2014 | julianhi

You can use this tutorial in the ThinkToStartR package with: ThinkToStart(“SentimentCloud”,”KEYWORD”,# of tweets,”DATUMBOX API KEY”) Hey everybody, some days ago I created a wordcloud filled with tweets of a recent german news topic. And a lot of people asked me if I have some code how I ... [Read more...]

Using Google BigQuery with R

March 10, 2014 | julianhi

Hey everybody, this tutorial is about combining two great and powerful tools: R and Google BigQuery. Big Query: So but what is BigQuery? I think Google describes it very well on the developers page: “Querying massive datasets can be time consuming and expensive without the right hardware and infrastructure. Google ... [Read more...]

Add a background png image to ggplot2

February 16, 2014 | julianhi

Hey everybody, this is just a short post but I found it very useful. I want to show you how to add images as a background to your ggplot2 plots. To do so we need the packages png and grid Btw, this is just a cool and fast way to ... [Read more...]

Analyze your Google+ Posts with R [Update]

December 28, 2013 | julianhi

Hey everybody, today I show you how you can start working with the Google+ API and R. We create a personal API key, get our own stats and plot them in a nice looking graph. Get the API Key You can get our API key on the Google Developer console ... [Read more...]

Analyze Facebook with R

November 19, 2013 | julianhi

Hello everybody! Today I found something very cool: There is a R package for mining Facebook. For Twitter there are different, but this is the first one really working well with Facebook. So I wanted to test it and was amazed about how easy it works. Setup: The first thing ... [Read more...]

Sentiment Analysis on Twitter with Datumbox API

September 9, 2013 | julianhi

Hey there! After my post about sentiment analysis using the Viralheat API I found another service. Datumbox ist offering special sentiment analysis for Twitter. But this API doesn´t just offer sentiment analysis, it offers a much more detailed analysis. „The currently supported API functions are: Sentiment Analysis, Twitter Sentiment ... [Read more...]

Sentiment Analysis on Twitter with Viralheat API

September 2, 2013 | julianhi

Hi there! Some time ago I published a post about doing a sentiment analysis on Twitter. I used two wordlists to do so; one with positive and one with negative words. For the first try of a sentiment analysis it is surely a good way to start but if you ... [Read more...]

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