Cross posted at the Presimetrics blog. This post has a few simple graphs showing the relationship between the growth in real GDP and a few other variables: the top marginal tax rate, spending by the ...

Scatter graphs are used to represent and compare two sets of data. By looking at a scatter graph, we can see whether there is any connection (correlation) between the two sets of data. Matt sells ...

Here’s the cure to being duped again. It’s a site called Spurious Correlations by Tyler Vigen–or more accurately, Tyler Vigen’s software. He created code to spot correlations in public data sets and ...

The deviation value of each university is "latest! University deviation value information 2017We used the average deviation value published in "The following graph (click to enlarge) examining the ...

Data can be presented in many ways that make it quicker and easier to read. In this section we will look at some of these ways. It is important to choose the best way to present data. A line graph can ...