From Spreadsheet to Insight: Analysis Without a Data Background

Analytical errors in business rarely look like errors. They look like answers. This cursus builds the habits that catch them: restating a vague question as something measurable, finding out what your data was actually collected for, and looking at it before summarising it. Then the technical layer, which is small: tidy data, pivot tables, and joins that silently drop or duplicate rows. It ends on the five analytical patterns that answer most business questions, and what you may honestly conclude from each.