Twitter Data for Hurricane Harvey_4 Fridays in August 2017

Raw tweets of 4 Fridays in August 2017. This data has been gathered through Twitter API which covers a sample of all tweets available on Fridays 4, 11, 18 and 25 August 2017.本数据集收录2017年8月4日、11日、18日与25日四个周五的原始推文（Tweet）。该数据集通过推特API（Twitter API）采集，覆盖了上述四个周五所有可获取推文的采样样本。