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16 days, 3 courses, and a bright future: Intensive learning with Excel and Power BI | Xyclos
Can 16 days transform your career? Yes. This is the experience of a young woman who completed three highly sought-after technical...

Carlos Altamirano
Jun 275 min read


The Radar Chart: The solution for evaluating multiple variables in HR and Marketing | Xyclos
Scenario for assessing multiple HR competencies Let's imagine a common scenario in human resources: you are part of your company's...

Carlos Altamirano
May 98 min read


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


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


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


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


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


Power BI: Data Model and Semantic Model | Xyclos
In Power BI and other computing systems, two terms are used when creating the conditions to optimize data usability, carried out in this...

Carlos Altamirano
Sep 23, 20243 min read


Smart Data Analytics: Power BI and ChatGPT in Action | Xyclos
The best of both worlds. In Power BI, I created 3 measures to understand the performance of a client's bottle production: Total bottles...

Carlos Altamirano
Sep 17, 20243 min read


Pomodoro: The art of learning to pause and rest | Xyclos
A while ago I discovered something fascinating: sometimes, in order to move forward, we need to stop. Sounds counterintuitive, right? But...

Carlos Altamirano
Sep 1, 20245 min read


Optimizing and improving financial reports in Power BI: A real case
Introduction In the financial world, the quality of reports depends not only on the data they contain, but also on how this data is...

Carlos Altamirano
Aug 16, 20243 min read
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