Tag Archives: forecast

NEW estimating and forecasting workshop

As regulars will know, we have been discussing estimating and forecasting quite a lot over the last few years. There are some marvellous books out there but one thing we found absent was a straightforward, practical review of the various techniques used for estimation and forecasting. So, we decided to build a hands-on, exercise-based workshop.… Read More »

Our summer experiment

If you’re a regular to scrumandkanban.co.uk, you’ll know that James and I have been talking about estimation and forecasting quite a bit. We’ve also run a few experiments on the topic. Two books in particular have raised interesting ideas. Firstly, Surowiecki’s The Wisdom of Crowds talked about how crowds can beat individual ‘experts’ (given the correct… Read More »

Student’s t-statistic

Introduction In 1908, a guy at Guinness found a way to measure which types of barley produced the best beer-brewing yields: he called it the “t-statistic”. However, because Guinness was paranoid about giving away trade secrets, he had to publish his ideas under the pseudonym “Student”. Although we now know his name was William Sealy… Read More »

Commitment issues

“I don’t like the word commitment”, started Bob in a retrospective, “I don’t feel it’s fair that I’m promising the business the delivery of something that I have no control over [because there was work in the sprint that Bob would not be working on]. I’d prefer to use a different word. How about ‘target’?”.… Read More »