Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

YouTube will stop supplying data to Billboard’s charts next month, the company’s global head of music Lyor Cohen announced in a blog post on Wednesday, arguing that Billboard’s formula for the charts ...

YouTube is pulling its data from Billboard for use in the publisher’s industry-leading U.S. music charts. The decision is in response to a recent change Billboard made to its ranking formula, which ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Missouri officials working to ...

Since 2013, Billboard has been using YouTube streams as one of the factors that help decide the magazine's charts. In Wednesday YouTube announced that it would no longer provide data to Billboard ...

In a new blog post shared today, YouTube has announced its intention to withdraw its streaming data from all of Billboard's charts beginning January 16 after a decade-long partnership. The post ...

Out with the old and in with the new. Formula 1 is on the cusp of a new era, which will see drastic changes in how drivers race and the look of the cars. Gone is ground effect, DRS, and aerodynamic ...

A Case Study on How Brand Equity and Service Quality Shape Revisit Intention in Luxury Hospitality The hospitality industry is rapidly evolving through digital transformation, giving rise to hybrid ...

YouTube, one of the biggest music streaming platforms in the world, will no longer submit data to Billboard for its U.S. music charts starting early next year. Lyor Cohen, YouTube's Global Head of ...