It is a must watch playlist for LLM beginners.
This playlist "Understanding Large Language Models" covers
1️⃣ What is temperature in LLM?
2️⃣ Pretraining Large Language Models: Everything You Need to Know!
3️⃣ How Attention Mechanism Works in Transformer Architecture
4️⃣ What Are Word Embeddings?
5️⃣ LLM Training Starts Here: Dataset Preparation & Tokenization Explained!
6️⃣ LLMs Like ChatGPT, Explained Visually – How Do They Really Work?
Refer to the comments for the playlist link.

[1] Understanding LLM playlist - https://www.youtube.com/playlist?list=PLUfbC589u-FSwnqsvTHXVcgmLg8UnbIy3
[2] Evaluating R in RAG (free webinar) - https://topmate.io/ajay_shenoy/1649872