Posts
Housing expenses: there were signs
The evolution of the proportion of housing expenses seems to show that the problem has been ignored for decades, leading to the current crisis.
· Jorge Camões
The Tagus River
A data integration experiment featuring geographical references of the Tagus River and the population of the municipalities along its banks. It includes the Fernando Pessoa poem to which the title refers.
· Jorge Camões
Redesigning the RASI
I decided to take a break and spend an hour remaking the charts (right side of the image). The entire page is a quick draft in Excel (also to show that in-house work doesn't have to be... like that).
· Jorge Camões
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 new silver route
Experimenting with simplified NUTS3 regions showing the proportion of the elderly population in each region of the Iberian Peninsula.
· Jorge Camões
I asked ChatGPT to make a chart
An attempt to create a chart with ChatGPT. Clearly aligned with some somewhat outdated ideas, it failed to understand what was intended.
· Jorge Camões
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
Data visualization and creativity
Where it is argued that creativity in data visualization is not just about an aesthetic outcome.
· Jorge Camões
The problem with bar charts
Clarifying what we want to communicate with the data makes all the difference when deciding on the right chart type.
· Jorge Camões
Dumbbell plot: effective and elegant
The dumbbell plot is an effective, efficient, flexible, and elegant chart, four qualities that are difficult to find in bar charts.
· Jorge Camões
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
A lack of Vision on crimes
An article published in Visão magazine managed to choose the worst possible option for a data-driven discussion: throwing out four random figures when they could have presented a 30-year series with a much clearer message.
· Jorge Camões
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
Number of series in Excel line charts
Qual o máximo número de séries num gráfico? Leia sobre uma combinação de boas práticas de visualização de dados com a sua aplicação em Excel.
· Jorge Camões
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