I blew it! In my post earlier this morning about charts with dual y-axes I picked some miscellaneous data as an illustration. Then I saw a tweet about an article written in October that lays out the ...

Today let’s discuss one of the great blogging controversies of our time. Having dispensed earlier with the Oxford comma (yes) and how to treat the word data (it’s singular), it’s time to take on the ...

Dual-axis graphs, which have two y-axes, are useful because they allow you to see different data at a glance. However, this graph has many problems, and Datawrapper, a data visualization tool, ...

I propose a finance-wide New Year’s resolution: Stop using dual y-axis charts. This won’t happen as the practice is a staple in the industry and one I admit to regretfully dabbling in myself. But it ...