Category : Other

Other Predictions Trading Visualisations

Dynamic charts with googleVis

Dynamic charts are a nice way to visualize patterns over time. With the googleVis package this kind of graph has become easy to create. In this post, I will use the googleVis package to create two interactive moving bubble charts from the Global Terrorism Database (GTD).  

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Other Predictions Trading Visualisations

Visualization of long- and short term stock movements

Aim

In this post I will explore, how correlations between long- and short-term stock movements can be visualized using R and ggplot2. I will look at the current German composite index DAX, but any other set of stocks–for which data are available–is feasible. 

 

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Other Predictions Trading Visualisations

A quick look at the composition of terrorist events

In this blog entry, I will use data from the Global Terrorism Database to briefly explore some aspects of how the composition of terrorist events has changed over time.

 

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Other Predictions Trading Visualisations

Toda-Yamamoto implementation in ‘R’

When it comes to causality tests, the typical Granger-causality test can be problematic. Testing for Granger-causality using F-statistics when one or both time series are non-stationary can lead to spurious causality (He & Maekawa, 1999). 

 

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Other Predictions Trading Visualisations

Quantifying attention to terrorism: Google searches vs. NYT

Empirical contributions that focus on terrorism and its reception by the media face the fundamental difficultly of quantifying media coverage of terrorism, which has led to a relatively thin body of empirical research on the subject:

 

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