Back when I first started charting the spread of coronavirus I decided not to use a logarithmic scale. I figured that log scales were fine for communicating with other professionals, but most laymen ...

In “When Should I Use Logarithmic Scales in My Charts and Graphs”, I showed the revenues of the top 60 Forbes 500 companies using both linear and logarithmic scales. The log scale spread out the bulk ...

A tweet directed me to an interesting article on world population. The author, Jonathan Good, asks the percentage of people who have ever lived that are alive today and then estimates the answer. The ...

Microsoft's Excel spreadsheet program includes a Chart Wizard for making a variety of graphs from tabulated data. In some situations, as with scientific experiments, the data in one or both axes of ...

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 the era of Big Data, the relationship between data are complex and large in scale. The relationship between various data objects is described as Vertex and Edge, where the Vertex represents the ...