1 特征抽取1.1 TF-IDF1.2 Word2VecWord2Vec是一个Estimator，它接收文档的word序列作为参数，训练一个Word2VecModel，该model会将每个wor... 1970-01-01T08:00:00+08:00 Typecho https://www.nituchao.com/feed/atom/spark-ml/spark-ml-feature-extracting-transformin-selecting.html