FT

31 posts
Hanging things on your charts

The Financial Times published the following chart that shows the rollout of vaccines in the U.K. (I can't find the online link to the article. The article is titled "AstraZeneca and Oxford face setbacks and success as battle enters next phase", May 29/30 2021.) This chart form is known as a "streamgraph", and it is a stacked area chart in disguise.  The same trick can be applied to a column...

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Tip of the day: transform data before plotting

The Financial Times called out a twitter user for some graphical mischief. Here are the two charts illustrating the plunge in Bitcoin's price last week : (Hat tip to Mark P.) There are some big differences between the two charts. The left chart depicts this month's price actions, drawing attention to the last week while the right chart shows a longer period of time, starting from 2012. The author of...

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More visuals of the economic crisis

As we move into the next phase of the dataviz bonanza arising from the coronavirus pandemic, we will see a shift from simple descriptive graphics of infections and deaths to bivariate explanatory graphics claiming (usually spurious) correlations. The FT is leading the way with this effort, and I hope all those who follow will make a note of several wise decisions they made. They source their data. Most of the...

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