Twitter Data Portraits

Lexigraphs I is the first visualization from the Data Portraits series. Micro-blog authors use mobile text messaging or web interfaces to post short answers to the question What are you doing?, creating a stream-of-consciousness account of their daily encounters, musings, plans and actions. Using salient words from an individual’s postings, we visualize the topical and temporal patterns to create a portrait of the author.

Juking the Stats : Over-reliance on data makes the public go blind

I struggle with the widespread adoption of data these days. This may sound strange since I’ve always loved math and I’ve worked with data my entire career (and still do). The White House now has a Chief Data Scientist, and demand for people in my field seems to have exploded over the past few years. But I’m concerned about how quickly data as a practice is spreading across companies, not because it’s a bad trend in and of itself but because of how some people are using metrics. Let me explain.