Main Content

Visualization and Visual Communication

What's happening in information visualization? Robert Kosara digests new and emerging developments and explores what we know and don't know – so we can be less wrong about visualization.

InfoVis Papers at CHI 2017

The two main conferences in visualization are VIS and EuroVis, but recently CHI has also gotten some very interesting submissions (CHI is technically a conference about human-computer interaction, or HCI). This year looked particularly strong,

Averages Are Metadata

When we think of metadata, we tend to think of attributes that describe the data. Where do the numbers come from? What do the values in a categorical column mean? Etc. But there is a type of metadata we rarely even recognize as such: values computed from the data. They're often treated as part of the […]

Huge Percentages Are Meaningless

Percentages are incredibly useful when talking about how something is a part of something larger: this many percent tax, that many percent of people are unemployed, etc. When percentages are much larger than 100, however, they lose their meaning and their usefulness. Unfortunately, they seem to be increasingly common.