The Dataquest Download

Level up your data and AI skills, one newsletter at a time.

Each week, the Dataquest Download brings the latest behind-the-scenes developments at Dataquest directly to your inbox. Discover our top tutorial of the week to boost your data skills, get the scoop on any course changes, and pick up a useful tip to apply in your projects. We also spotlight standout projects from our students and share their personal learning journeys.

Hello, Dataquesters!

Here’s what we have in store for you in this edition:

Top Read: See prompt engineering in action, and learn how to use AI to generate and analyze realistic survey data, step by step. Learn more

From the Community: Explore the winning projects and key takeaways from Dataquest’s first-ever Kaggle competition on heart disease prediction—real data, real solutions, and valuable lessons from fellow learners. Learn more

New Resource: Segment customers with K-means clustering—analyze real data, build groups, and uncover actionable business insights. Learn more

Practical Application of Prompt Engineering for Data Professionals

Want to see how professionals use prompt engineering for data tasks? In this hands-on follow-up, you’ll learn how to use AI tools to generate realistic synthetic survey data, categorize open-ended feedback, and extract insights in structured formats. These are skills every data professional can use to streamline analysis and build practice datasets with ease.

From the Community

Exploring NYC Taxi Data in 2016 with Python: Nguyen has conducted exploratory data analysis and built an impressive individual project with detailed analysis steps, efficient use of functions, and compelling visualizations. It is an excellent example of applying acquired knowledge on independent projects, and a great start for any beginner data analyst!

Mobile App for Lottery Addiction: Fakhriddin skillfully used functional programming to create a highly flexible project with enhanced code readability, demonstrating the application of the Don’t Repeat Yourself (DRY) programming principle.

Heart Disease Prediction Kaggle Competition—Winners’ Projects: Check out the projects of Yash and Aghogho, the winners of the first Kaggle competition in partnership with Dataquest, and be ready for the next competition.

Heart Disease Prediction Kaggle Competition—Insights: Ravi shared his completed solution notebook, together with valuable insights and lessons learned while participating in the Kaggle competition.

Creating an Algorithm for Mesoscale Convective Systems: Raisa provides a structured guide to help develop an algorithm for mesoscale convective systems (MCSs), describing all key steps, processes, tools, and possible challenges.

DQ Resources

Customer Segmentation Using K-Means Clustering: Discover how to group customers by behavior and demographics using K-means clustering. Learn to identify key segments, unlock actionable insights, and target your marketing more effectively. Learn more

Cloud Providers: AWS, Azure, GCP: Explore the strengths, key services, and pricing models of AWS, Azure, and Google Cloud. This guide compares and contrasts the major cloud providers, helping you understand, choose, and get hands-on with today’s leading platforms for your next cloud project. Learn more

Build a Python Word Guessing Game: Learn to create a Wordle-style word guessing game in Python. A fun way to practice programming fundamentals like loops, logic, and object-oriented design. Great for beginners looking to build interactive projects. Learn more

What We're Reading

What Is MCP, and Why Is Everyone – Suddenly!– Talking About It?: This article breaks down where MCP came from, why they’re trending, and what we can expect their impact on the world of AI to be.

How to Create Beautiful Documentation That Developers Actually Love: Most dev docs get overlooked, but this article shares practical tips on structure, design, and tools to help you create documentation developers will actually want to read.

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High-fives from Vik, Celeste, Anna P, Anna S, Anishta, Bruno, Elena, Mike, Daniel, and Brayan.

2025-07-09

Use SQL or Python? With PySpark, You Don’t Have to Choose

Learn to analyze census trends with PySpark, uncover traffic patterns using Python, and explore efficient SQL workflows for large datasets. Read More
2025-07-02

Learn to Set Up PostgreSQL with Docker (No Installation Needed)

Set up PostgreSQL with Docker, analyze I-94 traffic, predict heart disease, improve Python plots, and explore large-scale data with RDDs. Read More
2025-06-25

Struggling with Slow Python Scripts and Crashing Excel files?

Explore PySpark locally, build your first Spark app, master ETL pipelines with Airflow on AWS, and learn from impressive community projects. Read More

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