Data Science Tutorials

Learn how Vision Transformers (ViTs) leverage patch embeddings and self-attention to beat CNNs in modern image classification. This in-depth tutorial breaks down the ViT architecture, provides step-by-step Python code, and shows you when to choose ViTs for real-world computer-vision projects.

Learn what multi-head attention is, how self-attention works inside transformers, and why these mechanisms are essential for powering LLMs like GPT-5 and VLMs like CLIP, all with simple examples, diagrams, and code.

Learn how to integrate dbt with Snowflake for modern data workflows. Covers setup, transformations, security, CI/CD, and performance optimization.

Learn Python try-except with real-world examples, best practices, and common pitfalls. Write cleaner, more reliable error-handling code.

Learn how to effectively use PySpark withColumn() to add, update, and transform DataFrame columns with confidence. Covers syntax, performance, and best practices.

A step-by-step guide on fine-tuning the OpenAI GPT-OSS 20B model on the medical question and answer dataset for both accuracy and style adoption.

Learn how to use Runway Aleph to generate a video from start to finish, covering its capabilities and limitations through a practical example of creating a birthday video.

Learn how to set up, integrate, and run the Gemma 3 270M model in an Android application, along with best practices for ensuring its reliability and safety for on-device inference.

Learn how to group data by multiple columns in SQL to perform advanced aggregations. Explore use cases and performance tips.

Explore the concept of central tendency in statistics, including specialized measures such as mean, median, and mode. Learn how to select the most appropriate measure based on your data characteristics and distribution.

Learn how to build a Deep Research Assistant using Jan-v1's agentic reasoning capabilities, including local deployment, Streamlit app development, and more.

Learn about Kiro, an AI IDE, and its features, installation, and how it compares to other AI coding tools like Cursor.