资源简介
hadoop实现k-means算法的java工程,具体过程参考http://blog.csdn.net/fansy1990/article/details/8028546这个,此工程和上面页面的思路稍有改动,大致思路一致;
代码片段和文件信息
package cluster;
import java.io.IOException;
import org.apache.hadoop.io.*;
import org.apache.hadoop.mapreduce.Mapper;
import util.Utils;
public class CaclCenterMapper extends Mapper{
public void map(LongWritable keyText valueContext context) throws IOException InterruptedException{
int index=(int)key.get();
DoubleArray da=new DoubleArray(3);
double[] center={indexindexindex};
da.setCenter(center);
context.write(new IntWritable(index) da);
}
}
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