One of the more useful features in Microsoft Excel is Insert Charts. You can create a wide variety of charts: bar, line, pie and others. While many charts only involve one variable, you can create ...

This post recommends using Trellis plots instead of 3D bar charts for three-dimensional (three variable) data. In Winner of the Bad Graph Contest Announced, I promised to present alternatives to Excel ...

Q. As a conclusion to each project, we evaluate our project time and cost estimates for accuracy. Obviously, underestimating is a problem, but over-estimating is also a problem that leads to ...