Hyukjin Kwon created SPARK-33247:
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             Summary: Improve examples and scenarios in docstrings 
                 Key: SPARK-33247
                 URL: https://issues.apache.org/jira/browse/SPARK-33247
             Project: Spark
          Issue Type: Improvement
          Components: Documentation, PySpark
    Affects Versions: 3.1.0
            Reporter: Hyukjin Kwon


Currently, PySpark documentation does not have a lot of examples and scenarios. 
See also https://github.com/apache/spark/pull/30149#issuecomment-716490037.

We should add/improve examples especially in the commonly used APIs. For 
example, {{Column}}, {{DataFrame}}. {{RDD}}, {{SparkContext}}, etc.

This umbrella JIRA targets to improve them in commonly used APIs.

NOTE that we'll have to convert the docstrings into numpydoc style first in a 
separate PR (at SPARK-32085), and then add examples. In this way, we can manage 
migration to numpydoc and example improvement here separately (e.g., reverting 
numpydoc migration only).




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