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spark 作业求助，剔除空值大于三的行

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  •   qianxaingmoli · May 22, 2020 · 3482 views
    This topic created in 2250 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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