17 August 2014
I blog here about data, programming, and business.
17 August 2014
05 August 2014
We cannot rely on mass inspection to improve quality, though there are times when 100 percent inspection is necessary. As Harold S. Dodge said many years ago, ‘You cannot inspect quality into a product.’ The quality is there or it isn’t by the time it’s inspected. W. Edwards Deming
24 June 2014
Scala Days 2014 wrapped up last week. There were many great talks and great conversations. Here I want to highlight some of the … well … highlights of the three hectic days the five of us spent in Berlin.
10 March 2014
At the beginning of this year I started rewriting our Scala training material. Like many introductory programming courses ours was structured around language features. This is the most straightforward way to write a tutorial but, particularly in a language like Scala, this structure doesn’t work well at all. It’s easy to overwhelm the student with details, like the specifics of operator precedence and associativity, that have almost no practical significance for day-to-day programming. All this noise makes it very difficult for the student to pick out the important concepts about how to structure programs written in Scala.
31 January 2014
One of the most important decisions when designing an A/B test is choosing the goal of the test. After all, if you don’t have the right goal the results of the test won’t be of any use. It is particularly important when using Myna as Myna dynamically changes the proportion in which variants as displayed to maximise the goal.