screenshot of data viz tools talk

Presenting at Johnson Space Center Data Science Day

This week I presented on the last 40 years of digital data visualization tools at Johnson Space Center Data Science Day. The event was held just off site this year, so it could be opened up to the public. The talk was a condensed, and I think improved, version of a talk I had previous gave[…]

Meet Up Talk Data Viz Tools

“THE CHANGING LANDSCAPE OF DATA VISUALIZATION TOOLS IN LARGE ORGANIZATIONS”I recently gave a talk at the Houston Data Visualization meet-up. In addition to being a good excuse for putting time on my calendar to research the evolution of data visualization tools over the past 40 years, the talk allowed me to try out a few presentation[…]

Game of Thrones Parallel Sets Data Visualization

User interface add-ons to make a better parallel sets visualizations: (skip to the data visualization here.)Parallel sets is a data visualization type that shows how attributes of different types are distributed across a large number of instances. Common examples include datasets of the characteristics of passengers on the Titanic disaster and nutrition information of many different types of[…]


Flow Chart for Picking the Right Mapping Tool

I did some research on different tools for creating flow charts today.Originally, I started down this path trying to figure out what open-source project I might be able to hack on and produce a project that would generate XKCD style flow charts, similar to how bokeh (python library) has XCKD style plots as built-in option. I[…]

Gource image

Gource – Log Visualization Tool

At work, I put projects I complete into our group’s gallery of data-visualization work. It is good internal marketing for what our group can deliver. Unfortunately, even behind a NASA firewall, there are some things I can’t put in the gallery. Examples have included data visualizations of human resource data and financial data where the public[…]