1、MovieLens User Ratings First, create a table with tab-delimited text file format: 首先,创建一个通过tab分隔的表: CREATE TABLE u_data ( userid INT, movieid INT, rating INT, unixtime STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t' STORED AS TEXTFILE; Then, download the data file...
movieid INT, rating INT, unixtime STRING) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t' STORED AS TEXTFILE; Then, download the data files fromMovieLens 100kon theGroupLens datasetspage (which also has a README.txt file and index of unzipped files): 然后,下载数据文件从下面方法: wget http...