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 ...

Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted. Draw a line through the plotted points. If \(x\) is positive, \(y\) is negative. If ...

In this post, I'll speculate on the reasons for lying with charts. The most obvious trigger for lying with charts is that, people are out to sell some product, service or point-of-view and run into ...

Stock charts are graphs that display the stock price and volume history of a company's stock. Advanced charts can include price trend lines, chart patterns, and indicators which investors may attempt ...