Category Archives: Video tutorials

Principal component analysis explained simply

As we are entering the era of Big Data, everyone and their moms seem to be talking about PCA. All the papers you read mention PCA (with lots of jargon, of course). Half of the seminars you’ve been to this month touch on PCA. Your boss/collaborators suggest trying PCA on… Read more »

How to draw a modified box plot

Box plots, a.k.a box-and-whisker plots, are an excellent way to compare groups. They are intuitive: viewers can see samples’ medians, distribution, and variabilities with a quick glance. They allow comparing samples of different sizes; for example, a set of 50 data points with a set of 30. They don’t even… Read more »

Proportional Venn diagram in 1 minute with BioVinci

Venn diagram is an excellent tool to visualize the relationship among sets. Ideally, the sizes of the circles and their overlapping area should be proportional to the relationship they convey. It is, however, quite a challenge to create a proportional Venn diagram. No worries: With BioVinci, you can get this… Read more »

How to build a hierarchical clustering heatmap with BioVinci?

Heatmap, heatmap everywhere. They are an intuitive way to visualize information from complex data. You see them showing gene expression, phylogenetic distance, metabolomic profiles, and a whole lot more. In this tutorial, we will show you how to perform hierarchical clustering and produce a heatmap with your data using BioVinci…. Read more »