qianxaingmoli
V2EX  ›  Spark

spark 作业求助,剔除空值大于三的行

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  •   qianxaingmoli · May 22, 2020 · 3477 views
    This topic created in 2249 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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