摘要:
ROI (Return On Investment): 投资回报率 =订单额/消费量(即广告费用)=(单均额*转化量)/(CPA*转化量)=单均额/CPACPC (Cost Per Click): 按点击计费(平均点击价格)=消费量/点击量CPA (Cost Per Action): 按成果数计费 =消费量/转化量=(CPC*点击量)/(CVR*点击量)=CPC/CVRCPM (Cost Per ... 阅读全文
摘要:
创建目录hadoop fs -mkdir/input查看hadoop fs -ls递归查看hadoop fs ls -R上传hadoop fs -put 下载hadoop fs -get 删除hadoop fs -rm从本地剪切粘贴到hdfshadoop fs -moveFromLocal /input/xx.txt /input/xx.txt从hdfs剪切粘贴到本地hadoop fs -mov... 阅读全文