Visualizing foreign news coverage

The challenge in international news research is identifying patterns in foreign news reporting, which cover thousands of events in hundreds of countries, but visualization seems to be useful. This chat summarizes foreign news coverage by the New York Times between 2012 and 2014 with heatmaps, where rows and columns respectively representing the most frequent countries […]

Newsmap in R

I have been using Newsmap in many of my research projects as one of the key tools, but I was not able share the tool with other people as it was a complex Python system. To make the tool widely available, I recently implemented Newsmap in R. The R version is dependent on another text […]

Analysis of Russian media

Application of the techniques developed with English language texts to other languages is not so easy, but I managed to adapt my LSS system to Russia language for a project on Russian media framing of street protests. In the project, I am responsible for data collection and analysis of Russian language news collected from state-controlled […]

Russia’s foreign policy priority

Methodological papers are tasteless and boring without nice examples. For an exemplary application of my Newsmap, I downloaded all the news stories published by ITAR-TASS news agency from 2009 to 2014 both in English and Russian. From a public diplomacy point of view, I was interested in which countries are receiving the highest coverage in […]

Sentence segmentation

I believe that sentence is the optimal unit of sentiment analysis, but splitting whole news articles into sentences is often tricky because there are a lot of quotations in news. If we simply chop up texts based on punctuations, we get quoted texts are split into different sentences. This code is meant to avoid such […]

Nexis news importer updated

I posted the code Nexis importer last year, but it tuned out that the HTML format of the database service is less consistent than I though, so I changed the logic. The new version is dependent less on the structure of the HTML files, but more on the format of the content. library(XML) #might need […]

The Latent Semantic Scaling

I have posted document scaling results on different dimensions such as political left-right, and immigration positive-negative on this blog previously, but I did not explain the detail of the technique, call the Latent Semantic Scaling. The LSS is a type of lexicon expansion technique based on the Latent Semantic Analysis. Please have a look at […]

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