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Data Analysis Tutorials
Get insights on the latest tools & methods that you can use to analyze your data more effectively. Our data analysis tutorials will help you develop your skills.
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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
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
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
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
How to Upgrade Python and Pip in Windows, MacOS, and Linux
Read our step-by-step instructions for how to upgrade Pip and Python on Windows, macOS, and Linux. Keep your environment up-to-date and compatible.
Samuel Shaibu
July 15, 2024
How to Use the Python pass Statement
Learn to use the Python pass statement in loops, functions, and classes. Understand the pass statement's importance in code execution and readability.
Allan Ouko
July 11, 2024
Conditional Formatting in Excel: A Beginner’s Guide
Explore conditional formatting in Excel with simple to advanced examples and their best practices.
Joleen Bothma
July 8, 2024
How to Use the SQL REPLACE() Function
Learn the application of the SQL REPLACE() function in text manipulation. Understand the use of the REPLACE() function in data cleaning and database management.
Allan Ouko
July 8, 2024
How to Use the SQL EXISTS() Operator
Learn how to use the SQL EXISTS() operator for subquery evaluation and filtering, complete with examples, best practices, and tips for optimizing your queries.
Allan Ouko
July 8, 2024
How to Create Data Models in Excel: A Comprehensive Guide
We create data models by formatting data, creating relationships, using Power Query, and leveraging Power Pivot for seamless data integration and analysis.
Vikash Singh
July 5, 2024