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, ...

Descriptive labels on an Excel chart enhance its readability and help you interpret the information the chart contains. Whether naming comes in the form of text, numbers or a combination, both the x ...

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 ...