What Is an Agent in Reinforcement Learning?
What is an agent in reinforcement learning? Learn how agents observe states, choose actions, follow policies, and learn from rewards, with a maze example and runnable Python code.
Python
K-Means Clustering Explained with Examples and Python
Understand K-means clustering: centroids, assignment, initialization, the elbow method, silhouette score, limits, and full Python code from scratch.
How to Build a Local AI Agent With an Open-Weight LLM
Build a local AI agent with an open-weight LLM. Learn tool calling, the agent loop, error handling, safety limits, and how to test your agent’s behavior.
How to Build a Local RAG System With an LLM and Vector Database
Build a local RAG system with Ollama and Chroma. Learn embeddings, chunking, retrieval, and generation, plus how to test retrieval and answer quality.
How to Build Applications With the Ollama API and Python
Follow this Ollama API Python tutorial to install Ollama, send requests, stream replies, handle errors, and build a working app with structured JSON output.