VisQualdex -- the comprehensive guide to good data visualization

TL;DR

VisQualdex introduces a systematic set of guidelines inspired by the Grammar of Graphics to evaluate data visualization quality, supported by a web tool to improve visualization standards and reduce misinformation.

Contribution

The paper presents VisQualdex, a comprehensive guideline framework for assessing data visualization quality, along with an accessible web server implementation.

Findings

Provides a structured evaluation framework for visualizations

Offers a web-based tool for practical application

Aims to improve visualization quality and reduce misinformation

Abstract

The rapid influx of low-quality data visualisations is one of the main challenges in today's communication. Misleading, unreadable, or confusing visualisations spread misinformation, failing to fulfill their purpose. The lack of proper tooling further heightens the problem of the quality assessment process. Therefore, we propose VisQualdex, a systematic set of guidelines isnpired by the Grammar of Graphics for evaluating the quality of data visualisations. To increase the practical impact of VisQualdex, we make these guidelines available in the form of the web server, visqual.info.