Graphs in Microsoft Excel typically chart time on the horizontal axis. Time is the independent variable in most relationships and dependent variables appear on the vertical axis. Some charts, though, ...

Microsoft Excel can present two series of data points together on the horizontal axis, but if the number scale for each series dramatically differs, the data will not be readable. Using a two-sided ...

This post is motivated by a comment on my blog post Line Charts Are Not Always the Best Way to Show Time Series. The comment by Meic Goodyear said, “A small point, but you could improve your Figure 2 ...