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Building a Local-First Data Exploration Tool with DuckDB
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Streamlit desde cero: cómo crear una app para explorar y visualizar datos desde un CSV
Introducción En este artículo se usa Streamlit desde cero para construir una aplicación interactiva que permite cargar, explorar y visualizar datos desde un ar...
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Day 39 of improving my Data Science skills
Reflection A silent struggle in data work that frustrates many people and no one talks about it: “I’m learning a lot… but everything feels disconnected.” Today...
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Day 38 of improving my Data Science skills
Data Visualization Happy New Year 🥂 In Data Visualization, I didn't just “plot charts.” Importing Data I stepped into relational databases: > Insert relationa...
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How I Found 1,370 Fraudsters Hiding in Our Data (And Saved My Company $51,000)
Tuesday, 9:14 AM My manager's message was short: > “We need to talk about fraud losses. My office.” That’s how it started—three CSV files, millions of transacti...
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I Built a Sales Visualizer for a Real Business Problem (Quantium Software Engineering Simulation)
End‑of‑Year Project: Quantium Software Engineering Simulation “The best way to learn is by building something real.” I wrapped up 2025 by completing Quantium’s...
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Cómo 'Vemos' los Datos: Por Qué tus Gráficos Engañan y Cómo Usar PCA para Arreglarlo
Una guía técnica sobre cómo reducir dimensiones y acelerar tus modelos sin perder información crítica. El problema típico Como mentores en Python Baires, vemos...
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A Practical Guide to the Dashboard User Journey: From Discovery to Decision-Making
Step 1: Helping Users Find the Right Dashboard - Clarify what the dashboard is for - Identify who it’s intended for - State how often it’s updated - Communicat...
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Designing Dashboards for Users and Stakeholders: From Best Practices to Real-World Implementation
Creating Dashboards That Guide Users to Insight Creating dashboards isn’t just about visualizing data. It’s about guiding users efficiently to the insights the...
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How to Extract Data from Excel using Power BI
What is data? Data is a collection of raw, unorganized facts, figures, or symbols. Think of data as the raw ingredients in a kitchen flour, eggs, sugar. On the...
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Day 35 of improving my Data Science skills
Lately, I've noticed something changing in how I learn. I'm no longer excited just because something works. I'm more interested in why it works, and what breaks...
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Best SaaS Dashboard Templates
Modern SaaS Dashboard Templates – A Developer’s Decision Guide Modern SaaS products live and die by how clearly they show data. Founders, growth teams, and cus...