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Posted to issues@spark.apache.org by "Chengyin Eng (Jira)" <ji...@apache.org> on 2020/08/25 14:43:00 UTC

[jira] [Created] (SPARK-32699) Add percentage of missingness to df.summary()

Chengyin Eng created SPARK-32699:
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             Summary: Add percentage of missingness to df.summary()
                 Key: SPARK-32699
                 URL: https://issues.apache.org/jira/browse/SPARK-32699
             Project: Spark
          Issue Type: New Feature
          Components: ML
    Affects Versions: 3.0.0
            Reporter: Chengyin Eng


 
h2. In df.summary(), we are returned counts of non-nulls for each column. It would be really helpful to have a percentage of non-nulls, since percentage of missingness is often an indicator for data scientists to discard the columns.



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