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spark 作业求助,剔除空值大于三的行
qianxaingmoli
·
May 22, 2020
· 3386 views
This topic created in 2218 days ago, the information mentioned may be changed or developed.
将缺失值大于 n ( n=3 )个的数据条目剔除出原始数据集,并输出剔除的条目数量;
有没有大佬能说下 scala 的写法,rdd 处理完多行会挤在一起了,dataframe 写了又不太对
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剔除
条目
空值
大于
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