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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How to Use SQL PIVOT
Enhance your SQL skills with the SQL PIVOT operator. Learn to convert rows into columns to create pivot tables in SQL Server and Oracle.
Allan Ouko
July 26, 2024
Understanding the SQL SUM() Function and Its Use Cases
Discover the power of the SQL SUM() function for data aggregation. Learn how to implement rolling sums, cumulative sums, and sum multiple columns effectively.
Allan Ouko
July 25, 2024
Stochastic Gradient Descent in Python: A Complete Guide for ML Optimization
Learn Stochastic Gradient Descent, an essential optimization technique for machine learning, with this comprehensive Python guide. Perfect for beginners and experts.
Bex Tuychiev
July 24, 2024
How to Round Up a Number in Python
Discover three straightforward techniques to round up numbers in Python: using math.ceil() from the math module, using the decimal module, and NumPy.
Allan Ouko
July 22, 2024
Few-Shot Prompting: Examples, Theory, Use Cases
Few-shot prompting is a technique in which an AI model is given a few examples of a task to learn from before generating a response, using those examples to improve its performance on similar tasks.
Dr Ana Rojo-Echeburúa
July 21, 2024
Zero-Shot Prompting: Examples, Theory, Use Cases
Zero-shot prompting is a technique in which an AI model is given a task or question without any prior examples or specific training on that task, relying solely on its pre-existing knowledge to generate a response.
Dr Ana Rojo-Echeburúa
July 21, 2024
UNION vs UNION ALL in SQL
Discover the output and performance differences between UNION and UNION ALL: UNION removes duplicates while UNION ALL includes them.
Vikash Singh
July 19, 2024
How to Combine VLOOKUP() with IF() in Excel
Combine VLOOKUP() with IF() for efficient data analysis, including conditional lookups, error handling, and dynamic column indexing.
Laiba Siddiqui
July 18, 2024
Python Boxplots: A Comprehensive Guide for Beginners
Create stunning boxplots in Python! This comprehensive beginner’s tutorial covers Matplotlib and Seaborn, helping you visualize and compare data distributions.
Austin Chia
July 17, 2024
What is Manhattan Distance?
Learn how to calculate and apply Manhattan Distance with coding examples in Python and R, and explore its use in machine learning and pathfinding.
Vinod Chugani
July 17, 2024
Rank Formula in Excel: A Comprehensive Guide With Examples
Learn how to rank data in Excel with RANK(), RANK.EQ(), and RANK.AVG() functions. Understand their differences, applications, and tips for accurate data analysis.
Laiba Siddiqui
July 16, 2024
Python: Remove Duplicates From A List (Five Solutions)
To remove duplicates from a Python list while preserving order, create a dictionary from the list and then extract its keys as a new list: list(dict.fromkeys(my_list)).
Stephen Gruppetta
July 16, 2024