Excel Best Practices, Automation, SQL & AI Tutorials for Geological Data

Copilot/Claude/Power Query for cleaning/dups/dates; Analysis ToolPak after QAQC; INDEX MATCH, data entry basics, sampling techniques, SQL for GIS DBMS. Supports assay logs/drill data before stats/dashboards. Codefinity course on PivotTables/XLOOKUP/Power Query recommended. New article on data cleaning/validation reinforces Power Query skills.