A method is presented that constrains principal components analysis (PCA) to extract a first component that, by definition, summarizes isometric size alone. The remaining information is partitioned ...

AI Copilot in Excel helps clean dates, split columns, and add currency formats, so you save time and make faster, clearer decisions.

Principal Financial Group, Inc. provides retirement, asset management, and insurance products and services to businesses, individuals, and institutional clients worldwide. The company operates through ...

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