Data Science Tutorials
Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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Flash Fill Excel: Tips, Tricks, and Limitations to Know
Learn how to speed up your work in Excel with Flash Fill. Discover practical examples, usage tips, limitations, and troubleshooting strategies to get the most out of this smart feature.
Laiba Siddiqui
May 13, 2025
Bullet Points in Excel: 8 Easy Ways to Organize Your Lists
Discover simple ways to insert bullet points in Excel using keyboard shortcuts, formulas, symbols, and formatting tricks. Learn how to create clean, organized lists even inside a single cell.
Laiba Siddiqui
May 13, 2025
Haystack AI Tutorial: Building Agentic Workflows
Learn how to use Haystack's dataclasses, components, document store, generator, retriever, pipeline, tools, and agents to build an agentic workflow that will help you invoke multiple tools based on user queries.
Abid Ali Awan
May 12, 2025
Warp Terminal Tutorial: AI-Powered Features for Developers and Data Pros
AI-powered terminal built with Rust, designed to enhance developer productivity by combining intelligent command suggestions, reusable workflows, collaboration tools, and seamless customization.
Abid Ali Awan
May 12, 2025
Sensitivity Analysis in Excel Tutorial: Overview, Types, and Best Practices
Discover how to perform a sensitivity analysis in Excel, a popular “what-if” method used to identify the most relevant inputs in a model outcome.
Javier Canales Luna
May 11, 2025
Progress Bars in Python: A Complete Guide with Examples
Learn how to create Python progress bars using tqdm, progressbar2, alive-progress, and Tkinter, with best practices for better UX and app performance.
Mark Pedigo
May 9, 2025
OpenAI's O3 API: Step-by-Step Tutorial With Examples
Learn how to use the OpenAI O3 API for complex, multi-step problem-solving involving visual and textual input, and manage reasoning costs.
Aashi Dutt
May 9, 2025
Fill Handle Excel: How to Speed Up Data Entry
Learn how to use the Fill Handle in Excel to copy formulas, extend data patterns, customize AutoFill options, and troubleshoot common issues with step-by-step guidance and examples.
Allan Ouko
May 8, 2025
How to Move Columns in Excel: Simple Techniques and Pro Tips
Learn different methods to rearrange your spreadsheet by moving single or multiple columns in Excel. Discover practical shortcuts, hidden tricks, and expert tools to speed up your workflow.
Laiba Siddiqui
May 7, 2025
Qwen-Agent: A Guide With Demo Project
Learn how to use Qwen-Agent and Qwen3 to build a real-time webpage summarizer extension.
Aashi Dutt
May 7, 2025
#SPILL! Error Excel: What It Means and How to Fix It
Understand why the #SPILL! error appears when using dynamic arrays in Excel. Learn how to fix it, prevent it, and make the most of Excel’s array formulas.
Allan Ouko
May 6, 2025
Mastering COUNTIF() in Power BI: A DAX-Based Approach
Power BI users from Excel always find out that Power BI does not have a native COUNTIF() function. This article will show various ways to implement COUNTIF() in Power BI and its practical use cases.
Adejumo Ridwan Suleiman
May 6, 2025