Sentiment analysis of Indonesian e-commerce reviews compares TF-IDF + Logistic Regression with the Gemini LLM API, including leakage-free evaluation, robustness tests, and cost/latency trade-offs.

Original headline: "arielshakaramiro/assignment-model-experiment: Sentiment analysis of Indonesian e-commerce reviews: comparing a classic ML model (TF-IDF + Logistic Regression) with the Gemini LLM API, including leakage-free evaluation, robustness tests, and cost/latency trade-off analysis."