AGGREGATE was built to handle messy data from the start.

Excel's Total Row uses smart SUBTOTAL logic to ignore hidden data, adapt to filters, flag text errors, and measure performance volatility.

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Chronic kidney disease has five stages based on urine albumin-creatinine ratio (uACR) and estimated glomerular filtration rate (eGFR) tests repeated over 3 months. Stages 1–2 often have few or no ...