Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain trends, and present findings clearly across business, finance, product, and ...

Avoid PivotTable failures caused by merged cells, blank columns, and subtotals, with Power Query steps to clean the source ...

Strava is a social network that happens to record your runs. Getting kudos from friends feels nice. It will not help you break 3:30 in the marathon. For that, you need your data in a place where you ...

In this video, learn how to create a cohort analysis in Excel, a model designed to analyze customer retention and understand ...

According to McKinsey, 72% of organizations had adopted AI and advanced analytics in at least one business function by 2026. However, Real World Data Science (citing MIT) reports a startling 95% ...

For as long as I’ve worked in data and analytics, predictions of disappearing roles have been common. A decade ago, it was the data warehouse developer. Then it was the data steward. Today, some say ...

I don’t use Microsoft Excel all that often, so it remains a bit of a mystery to me. I can enter text and create graphs and that’s basically it. That’s why I’ve set myself a goal to learn one new Excel ...

“Courts are adapting the flexible fair-use doctrine to modern technology without rewriting the statute.” The results point toward a single principle: when AI training reproduces a copyrighted work’s ...