将逻辑回归应用于二元分类的情况。这里以垃圾邮件分类为例，即是否为垃圾邮件两种情况。然后，根据词频把每个文件中的文本转换为特征向量，训练出一个可以把两类消息分开的逻辑回归模型，判断输入测试语句是否为垃圾邮件。(Spark MLlib (Java): Input: spam.txt; normal.txt; text sentence. Output:1.0(spam), 0.0(normal email))

spark大数据，这是一本介绍spark相关知识的好书籍，希望大家喜欢！(Apache Spark is a fast and general-purpose cluster computing system. It provides high-level APIs in Java, Scala, Python and R, and an optimized engine that supports general execution graphs. It also supports a ric