by Susan Walsh | Aug 21, 2026 | Data Classification
5 common classification errors and how to prevent them Classified data almost always has a few niggly mistakes hiding in it. They’re common and pop up in almost every file, but aren’t something you need to...
by Susan Walsh | May 29, 2026 | Classification Guru, Data Cleansing, Data Governance
The term’ dirty data’ is used a lot in business, but what exactly is it? Well, the truth is that it can mean different things to different people, depending on the types of data they work with. But at its most basic level, dirty data is anything...
by Susan Walsh | Feb 13, 2026 | COAT, Uncategorized
Valentine’s Day is usually reserved for flowers, cards, and grand gestures. But there is another relationship in your life that quietly demands attention all year round. Your data. If you ignore it, it gets messy. If you rush it, it becomes unreliable. If you only...
by Susan Walsh | Nov 3, 2025 | Uncategorized
Who’d have thought so much could change in four years? When I published the first edition of Between the Spreadsheets, GenAI was a mischievous twinkle in Sam Altman’s eye. It’s now everywhere. And this makes it more critical than ever to clean our data, keeping it...
by Susan Walsh | Feb 10, 2025 | COAT, Data Governance
If you’re familiar with our work, you may already know that good data governance means your data needs to have its COAT on. It’s a simple and effective data management framework we apply to all The Classification Guru’s services and your data. But did you know this?...
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