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Topic: Practices

The Practices category analyses how public bodies, statistical institutes, news media, and other entities visually present data. We observe visual choices, the clarity of sources, and informative rigour. Through real-world examples, we discuss good and bad practices, highlighting how data visualization can either clarify or distort public reality.

A collection of 5 posts

Data? We don't have
Topic: Practices

Data? We don't have

The lack of data in Portugal is something extraordinary. There isn't a single conference or debate where the conclusion doesn't boil down to: "It would be cool to do this, but the data isn't there".

· Jorge Camões

The known unknowns
Topic: Practices

The known unknowns

European Union publications (as well as those from many statistical agencies) tend not to apply data visualization suggested practices that are widely agreed upon among experts.

· Jorge Camões

Imagem de cabeçalho ilustrativa de um post mostrando um gráfico Sankey e um gráfico circular alternativo
Topic: Practices

An age-old question

'What is the most appropriate chart to represent x?' is the question I am most frequently asked in data visualization courses, and it is both the easiest and the most difficult to answer.

· Jorge Camões

Ideas that refuse to die
Topic: Practices

Ideas that refuse to die

There are some old and wrong ideas about data visualization that refuse to die. What can we do to finally lay them to rest?

· Jorge Camões

The RASI as the absolute zero of graphic literacy
Topic: Practices

The RASI as the absolute zero of graphic literacy

The RASI, the Portuguese Annual Internal Security Report is, unfortunately, the best example of bad practices in data visualization I have ever encountered.

· Jorge Camões