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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