In my previous article, "How To Display Log Data Using Bubble Charts," I explained how bubble charts can be a convenient and useful tool for monitoring a datacenter. Equally useful for monitoring a ...

Statistician Howard Wainer and psychologist Michael Friendly are numbers magicians — they make the invisible visible. Two of the world’s leading figures in the field of data visualization, they are co ...

These past few months have not been kind to any of us. The ripples caused by the COVID-19 crisis are felt far and wide, and the world's economies have taken a staggering blow. As with most things in ...

For the past few years, I've been trying to understand how to make graphs using RRDtool (Round-Robin Database tool) after failing miserably to understand MRTG (Multi-Router Traffic Grapher) before ...

Do you see it? The line graph, in the artwork above? Take another look. Whoa, right? Artist and scientist Jill Pelto combines art with scientific data to raise awareness about climate change. In this ...

Key-value, document-oriented, column family, graph, relational… Today we seem to have as many kinds of databases as there are kinds of data. While this may make choosing a database harder, it makes ...

Whether you’re genuinely interested in getting insights and solving problems using data, or just attracted by what has been called “the most promising career” by LinkedIn and the “best job in America” ...