Temporal and spatial evolution and influencing factors of public sentiment in natural disasters - A case study of Typhoon Haiyan

senti.py is used to calculate the sentiment value of tweetsBTMmodel.py BTM_model_window.py biterm.py are used to topic classfication.tweets.xls and test_tweets.csv are test data`senti.py` 用于计算推文的情感分值。`BTMmodel.py`、`BTM_model_window.py` 及 `biterm.py` 用于主题分类任务。`tweets.xls` 与 `test_tweets.csv` 作为测试数据集。