Weekly visualization: ethnic power relations

Welcome to the new weekly post on data visualization!  This week, I would like to present a simple plot displaying fragment of the data from the Ethnic Power Relations dataset.  The data contains information on the power status, and power relations, between major ethnic groups in 165 countries, between the years 1946 and 2013.  I used the dataset recently, writing up a research project, and I noticed some very interesting patterns emerging in data pertaining to Sri Lanka—I will use this country as an example here.  I perform analysis and plotting with R, using the ggplot2 library.

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