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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SQL Stored Procedure: Automate and Optimize Queries
Learn the basics of SQL stored procedures and how to implement them in different databases, including MySQL and SQL Server.
Allan Ouko
January 8, 2025
Microsoft's Phi-4: Step-by-Step Tutorial With Demo Project
Learn how to build a homework checker using Microsoft's Phi-4 model, which validates solutions, provides detailed corrections, and suggests elegant alternatives.
Aashi Dutt
January 7, 2025
How to INDEX MATCH Multiple Criteria in Excel
Learn step-by-step techniques to handle INDEX MATCH with multiple criteria in Excel. Include helper columns to simplify your lookups, or else apply array formulas for complex data retrieval.
Laiba Siddiqui
January 7, 2025
ChatGPT Desktop: A Guide With VS Code and Terminal Examples
Learn how to optimize your coding workflow using the ChatGPT desktop app, with a focus on its integration with VS Code, the terminal, and Xcode.
François Aubry
January 7, 2025
OpenAI's Preference Fine-Tuning: A Guide With Examples
Learn how to align large language models with user preferences using OpenAI's preference fine-tuning and direct preference optimization.
Hesam Sheikh Hassani
January 7, 2025
What is Second Normal Form (2NF)?
Learn how second normal form (2NF) can improve your database design by eliminating partial dependencies.
Marie Fayard
January 6, 2025
OLS Regression: The Key Ideas Explained
Gain confidence in OLS regression by mastering its theoretical foundation. Explore how to perform simple implementations in Excel, R, and Python.
Josef Waples
January 8, 2025
How to Remove Spaces in Excel: 5 Good Methods
Remove unnecessary spaces, including leading, trailing, and extra spaces, to keep your data clear. This guide covers TRIM(), SUBSTITUTE(), and CLEAN() functions, plus practical tips to ensure spreadsheets remain accurate and easy to work with.
Laiba Siddiqui
January 5, 2025
Python Reverse List: How to Reorder Your Data
Choose the right Python list reversal technique between reverse(), slicing, reversed(), and list comprehensions. Use these methods to tackle tasks like data sorting and sequence alignment.
Oluseye Jeremiah
January 4, 2025
Nested IF() in Excel: A Quick Solution for Many Conditions
Discover how to handle complex criteria in a single formula. Elevate your reporting in a way that saves time and effort and reduces mistakes.
Laiba Siddiqui
January 3, 2025
The Demand Curve: How to Understand the Relationship Between Price and Sales
Learn how to use the demand curve to reveal a relationship between price and quantity sold, and use this knowledge to guide smarter decisions in competitive markets. Explore methods to find the optimal price to maximize overall revenue.
Josef Waples
January 3, 2025
Excel Slicer: A Step-by-Step Guide to Advanced Filtering
Discover how to enhance your data analysis with the Excel slicer. Learn advanced techniques to build dynamic dashboards and streamline your workflow.
Laiba Siddiqui
January 3, 2025