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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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Machine Learning

An Introduction to Q-Learning: A Tutorial For Beginners

Learn about the most popular model-free reinforcement learning algorithm with a Python tutorial.

Abid Ali Awan

October 27, 2022

Tableau

Calculating Fields in Tableau

Learn how to create fields in Tableau with our step-by-step tutorial with examples, starting from simple to more complex.
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Eugenia Anello

January 21, 2025

Python

30 Cool Python Tricks For Better Code With Examples

We've curated 30 cool Python tricks you could use to improve your code and develop your Python skills.
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Kurtis Pykes

October 20, 2022

Machine Learning

Streamline Your Machine Learning Workflow with MLFlow

Take a deep dive into what MLflow is and how you can leverage this open-source platform for tracking and deploying your machine learning experiments.
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Moez Ali

October 17, 2022

SQL

INSERT INTO SQL FUNCTION

INSERT INTO lets you add data to your tables. Learn how to use it in this tutorial.
Travis Tang 's photo

Travis Tang

October 12, 2022

SQL

DATEDIFF() SQL FUNCTION

DATEDIFF() is one of the most widely used date data manipulation functions in SQL. Master it by reading this tutorial.
Travis Tang 's photo

Travis Tang

December 6, 2024

SQL

FORMAT() SQL FUNCTION

FORMAT() is one of the most commonly used functions in SQL. Learn its main applications in this tutorial.
Travis Tang 's photo

Travis Tang

October 12, 2022

SQL

How to Use the COALESCE() Function in SQL (With Examples)

Learn how to use the SQL COALESCE() function to handle null values, combine columns, and clean up your data with real-world examples and tips.
Travis Tang 's photo

Travis Tang

March 27, 2025

SQL

COUNT() SQL FUNCTION

COUNT() lets you count the number of rows that match certain conditions. Learn how to use it in this tutorial.
Travis Tang 's photo

Travis Tang

December 12, 2024

Python

SQLAlchemy Tutorial With Examples

Learn to access and run SQL queries on all types of relational databases using Python objects.
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Abid Ali Awan

December 3, 2024

Spreadsheets

The 15 Basic Excel Formulas Everyone Needs to Know

Learn how to add arithmetic, string, time series, and complex formulas in Microsoft Excel.
Abid Ali Awan's photo

Abid Ali Awan

September 11, 2025