Testing data analytics models is different from testing most other types of software. While you are testing the model’s performance, you’re also testing how well it performs on data. Any model’s accuracy depends on the model itself and the data that feeds it. Insufficient testing can leave unresolved bias and variance in a model that reduces its overall value.
Continue readingThree Ways Agile Testers Can Use Walkthroughs
A walkthrough is a great review technique for knowledge sharing, gathering feedback and building consensus. Let’s discuss ways agile testers use this type of review to get the entire team involved in the quest for quality.
Continue readingWhen Testers Become Crisis Management
Testers usually get to stay behind the scenes. But when testing affects business processes or customers, there may suddenly be a crisis to manage. Read how one tester determined what went wrong – and made it right.
Continue readingThe Agile Mindset: Cultural Changes for Successful Transformation
Agile transformations can be a challenging undertaking. It is imperative that teams embrace an agile mindset and culture before they can fully embrace agile techniques.
Continue readingOn-Demand Webinar: Best Practices in TestRail User Administration
Watch this webinar to explore the user administration features of TestRail, including how to manage groups, roles, and permissions; perform session management, and optimize your available seats with a last login report. You’ll also get an introduction to two Enterprise features: SAML 2.0 SSO and audit logging.
Continue readingFor Good Data Management, You Need a Well-Defined SLA
When it comes to data management in a distributed system, you have a choice of good (consistent), fast (available) or distributed (partitioned) — pick two. A well-defined service-level agreement (SLA) helps you match the required state of data to the situation at hand.
Continue readingDid You Really Mean …?
Especially in distributed agile teams, we might jump to conclusions about what someone says. If we assume good intention, we might be able to find our way back to a reasonable conversation and solve the problem.
Continue readingTester’s Diary: Mapping Out Testing on a Journey to DevOps
In an earlier post, I talked about some of the challenges we had as we planned our move toward a DevOps development style. Here, I’ll talk about our first attempt at defining how testing will be carried out on a DevOps team.
Continue readingLeading in Times of Organizational Uncertainty
Change is probably the only thing we can count on when working in tech areas. For teams to continue to function effectively and deliver value, leaders must get in front of the organizational change management curve and actively engage the uncertainty their teams face. But not all managers have the necessary “soft skills”.
Continue readingMobile and Responsive Design Testing: Solving the Combinatorics Problem
Today’s websites tend to be “responsive design” and adapt to fit the screen. Mobile applications can be responsive as well, scaling up to fit your iPad and down to fit your oldest-smallest-yet-still supported iPhone. With mobile and responsive design, you write once; then test over and over again.
Continue reading
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