In a previous article, I looked at Grafana, a free, open-source data visualization tool. In the past, I tried (and failed) to use it to create a simple graph using CSV files, which is a bit of an ...

The classic horizontal bar chart is something we’re all familiar with. For many of us, it was the first ‘chart’ we learnt in school, usually alongside Venn diagrams and line graphs. That’s because bar ...

Choosing the right type of chart helps you display discrete data more effectively. Discrete data consists of whole numbers that are counted rather than measured. For example, when you track items sold ...