Avoid PivotTable failures caused by merged cells, blank columns, and subtotals, with Power Query steps to clean the source data.

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Switch from manual entries to automated generators that keep your spreadsheets clean, consistent, and error-free.

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.

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. Gordon Scott has been an active investor and ...

Don’t start with moon shots. by Thomas H. Davenport and Rajeev Ronanki In 2013, the MD Anderson Cancer Center launched a “moon shot” project: diagnose and recommend treatment plans for certain forms ...