Comparative Study of BERT and KNN Algorithms for Indonesian Climate Change Sentiment Analysis

This dataset contains Indonesian-language tweets related to climate change, collected from Platform X (formerly Twitter) using Node.js & Python-based web scraping API tools. The dataset includes tweet text and associated metadata such as timestamp, conversation id, etc. This data was used in the research titled "Comparative Study of BERT and KNN Algorithms for Indonesian Climate Change Sentiment Analysis". It supports the evaluation of machine learning models using 10-fold cross-validation and multiple statistical performance metrics. The dataset is intended for academic research in machine learning, deep learning, text mining, and algorithms research.