Volume 42 - Article 24 | Pages 713–726
|Date received:||25 Feb 2019|
|Date published:||02 Apr 2020|
|Keywords:||data visualization, fertility, Lexis diagram, mortality|
|Additional files:||readme.42-24 (text file, 2 kB)|
|demographic-research.42-24 (zip file, 131 MB)|
Background: Lexis surfaces are visualizations designed to show how a given value changes over age and time. Vector ﬁelds are two-dimensional representations of two variables: usually direction and speed (or force).
Objective: We aim to increase the dimensionality of patterns shown on the Lexis surface by placing a vector ﬁeld on the Lexis surface.
Results: We show Lexis ﬁelds of the relationship between life expectancy and the standard deviation of remaining lifespan over age and time. These instruments enable information layering on standard Lexis surfaces that is not common practice.
Contribution: Lexis ﬁelds extend the descriptive and analytic power of the Lexis surface, and these can be designed to display information at higher densities than standard Lexis surfaces.
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