You are working on an NLP feature that needs to classify text by sentiment. Before choosing models or tooling, you need to explain the core ideas behind how sentiment analysis works and what a basic implementation looks like.
What are the basics of sentiment analysis?
How sentiment analysis is framed as a text classification taskWhy tokenization and text normalization matterHow TF-IDF represents text numericallyHow to train a basic classifier for sentiment labelsWhy F1 score is often better than accuracy alone