Driving Usability With Empirical Data

Driving Usability With Empirical Data
Too often, I work with folks that dismiss many years of interface design and information architecture experience as "your opinion" and are eager to offer their own in place of good design practices. To avoid such "he said, she said" arguments (oh, and do the right thing for the user), I’m always happier when I’ve ...

R and Cassandra

I often find myself turning to R to perform basic statistical analyses that either aren’t possible with Microsoft Excel, or are too manually tedious. Recently, I was faced with the challenge of analyzing data stored in Cassandra and started with the goal of creating a histogram of message sizes. I began my efforts by: Grep ...