Archive for the 'Metrics' Category

The Unproductiveness Factor

Saturday, November 25th, 2006

A friend of mine sent me this article and asked me for my opinion.
The basic premise of the article is simple: if you want to know exactly how a certain tool, technology, or process, improve the productivity of your staff, you cannot just measure how much time it saves. If a certain tool saves […]

Success Criteria vs. Project Analysis Data

Saturday, May 27th, 2006

Software Quality Assurance people love measuring things. Test coverage, schedule slip, hours slip, velocity, number of reviews, the existence of reviews, number of defects, the average time it took to resolve a defect, function points, cyclomatic complexity, and of course the famous KLOC. If you got all excited reading these last couple of lines, you must […]

The Lie Factor

Friday, May 26th, 2006

After publishing the post Visualize Your Data, I received a mail from Tom Harris wondering why I hadn’t mentioned the book on data visualization: The Visual Display of Quantitative Information by Edward R. Tufte. I’d had a good reason for not mentioning it. I’d never read this book until that moment.
So, I followed my own advice and […]

Visualize Your Data

Wednesday, May 24th, 2006

Data visualization is not a new concept. Anyone who ever prepared a business presentation knows that a colorful diagram expressing the data visually has a much greater impact on the audience.
But data visualization is more than merely a presentation technique. With data visualization you can easily gain new insights, which enable you to take action. Coming up with the same […]

The Illusion Of High Test Coverage

Saturday, May 13th, 2006

There are many tools out there for checking your test coverage (in terms of tested code). Unit tests coverage is becoming as popular as unit tests themselves. And that is of course a step in the right direction.
Test coverage data helps developers identify missing test cases. It also helps development managers to get a […]