Author: Francis Gagnon

Data visualization is not an easy job. This can get lost in the quibbles about whether bar charts are boring and pie charts are…

See Andy Kirk’s own blog post about this topic. Truthiness was coined in 2005 and was awarded word of the year in 2006. We…

tl;dr: Draw a line graph based on normalized data for each category. What are parallel coordinates? Parallel coordinates resemble line graphs for time series,…

I have just learned of Hans Rosling’s passing and this is as close to a professional bereavement as it gets. There’s no doubt that…

Andy Kirk, from VisualisingData.com, is very well known in the data visualization community, as shown by his 14,400 Twitter followers. He built his fame by…

One of our data overlords, Google, organized a massive open online course (MOOC) called Making sense of data from March 18 to April 4. It…

The data visualization community seems to be looking for a bone to pick, but it hasn’t found one yet. At Visualized, it tried storytelling; at…

Imagine a forest: trees of varying sizes and types, leaves of infinite shades of green to red, trunks from brown to grey, rays of…