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

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Abstract: This paper presents a performance analysis of grid-forming (GFM) inverter technology, which is essential to ensure stable and reliable operation of power systems with high penetration of ...

"We all know the trope of the starving artist," said researcher Gwendolyn Rugg, "But there's actually surprisingly little reliable data out there to back this up." Rugg, a senior research scientist ...

The Roundhill Generative AI & Technology ETF has returned 49.5% so far in 2025. The VanEck Semiconductor ETF has returned 42.5% year to date and boasts an excellent longer-term track record. The ...

Trex Company, Inc. (NYSE:TREX) is one of the Worst Performing Stocks to Invest in on the Dip. On November 10, Stifel downgraded the company’s stock to “Hold” from “Buy” with a price objective of $35, ...

Queen Camilla Helped King Charles Realize They "Got It Wrong," Amid Claims Andrew "Erased Tributes to Epstein Victims" Secret Service finds 17 'skimming' devices in tour of San Antonio businesses What ...

Corey Idleburg is a veteran, educator and doctoral student with over two decades of experience serving government and academic institutions. His research focuses on identity, service and education.