In this case tuple fields are used as keys.#"0"is the join field on the first tuple#"1"is the join field on the second tuple.result=input1.join(input2).where(0).equal_to(1)CoGroup 是Reduce变换在二维空间的一个变体。...
Examples 标准数据池相关方法示例如下：write DataSet to a file on the local file system textData.write_text("file:/my/result/on/localFS")write DataSet to a file on a HDFS with a namenode running at nnHost:nnPort textData....
分词函数def split_word(document):"""分词，去除停用词"""stop_words={":","的","，","”"} text=[]for word in jieba.cut(document):if word not in stop_words:text.append(word)return text通过交集并集计算文档相似度 from itertools ...
