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Exploratory data analysis on large data sets: The example of salary variation in Spanish Social Security Data

Exploratory data analysis on large data sets: The example of salary variation in Spanish Social Security Data

New challenges arise in data visualization when the research involves a sizable database. With many data points, classical scatterplots are non-informative due to the cluttering of points. On the contrary, simple plots, such as the boxplot that are of limited use in small samples, offer great potential to facilitate group …