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The perfect triad: generative AI + human judgment + deterministic tools | Xyclos
It all started with this idea today, which I made to ChatGPT o3: " LLM's are predictive, and you can't expect consistent or equal...

Carlos Altamirano
Apr 243 min read
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What do I like about functions in Excel and Google Sheets? | Xyclos
What do I like about functions? I like them because when used alone or together, they turn me into a programmer... into a data analyst...

Carlos Altamirano
Apr 103 min read
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Automation in Outlook, Excel, and Power BI | Xyclos
In 2025, everyone is talking about automation and AI agents. And I started to think that I've been managing automation for more than 30...

Carlos Altamirano
Mar 244 min read
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When to use Excel and when to use Power Query? A practical analysis | Xyclos
I have published hundreds of articles on my blog on various topics and I wanted to categorize them to have better control over them for...

Carlos Altamirano
Oct 13, 20244 min read
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Discover the 6 most in-demand roles in Data Analysis | Xyclos
In all professions or activities there are always different levels of knowledge and applicability of that knowledge, so a way is sought...

Carlos Altamirano
Oct 4, 20246 min read
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My first experience programming with ChatGPT and Visual Basic | Xyclos
Introduction I had a very special and interesting request from a customer. Marcela, a service salesperson for an international company,...

Carlos Altamirano
Sep 8, 20243 min read
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