Lecture 1
Schema della sezione
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Introduction to the course
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Foundations File PDF
Foundations of data visualization: definition, motivation and historical visualizations. The purposes of data visualization. The three principles of good visualization design: trustworthiness, accessibility and elegance. Differences between truth and trust and various ways to lie with visualizations. Guidelines for creating accessible visualizations. The importance of data-ink ratio and the reasons against uncommon charts. Inspiration for elegant visualizations.
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Data abstraction: motivation, types of datasets, attribute types and semantics.
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Task abstraction: motivation, goals and tasks, actions and targets, examples of efficient designs for particular visual tasks
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