And use a scatter graph to see if there is a link between two sets of data. For example, between the number of charging points and the number of electric cars in different cities in the UK.

The relative rotation graph (RRG) is a sophisticated tool in ... Indeed, many RRGs show tails behind the data points, representing their historical path. Longer tails provide more context on ...

In the present data-focused world, organizations often find it hard to deal with dispersed information, isolated systems, and ...

1. After plotting points on a graph, draw a line of best fit to present the data and make it easier to analyse. If there is no link between variables, then there will be no clear pattern of points ...