This paper describes a form of cross-validation, in the context of principal component analysis, which has a number of useful aspects as regards multivariate data inspection and description. Topics ...

Approaches to determining the number of components to interpret from principal components analysis were compared. Heuristic procedures included: retaining components with eigenvalues (@ls) > 1 (i.e., ...

Overview Functions like INDEX MATCH, SUMIF, and XNPV allow professionals to work smarter, not harder, especially when handling large or complex data sets.Using ...

TL;DR Key Takeaways : Microsoft has introduced “Copilot,” an AI-powered feature in Excel, allowing natural language interaction for data analysis and content creation, currently available to ...

Discover how Excel’s AI-powered Copilot() function transforms data analysis, automates tasks, and unlocks new productivity possibilities.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

Vanguard’s global chief economist handicaps the odds of recession and higher inflation and discusses how investors can thrive in an era of AI, aging populations, and a rising US deficit.

Futsal, a high-intensity sport, places considerable demands on the hip adductors and core musculature, often resulting in ...