Databricks Certified Machine Learning - Associate
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You are working on a machine learning project in Spark and need to perform feature engineering on a Pandas DataFrame within a Pandas UDF. Explain the steps you would take to implement feature engineering and provide an example of how you would apply it.
You are working on a machine learning project in Spark and need to perform feature engineering on a Pandas DataFrame within a Pandas UDF. Explain the steps you would take to implement feature engineering and provide an example of how you would apply it.
Simulated
A
Define a Pandas UDF that takes the Pandas DataFrame as input, performs the feature engineering, and returns the transformed DataFrame.
73.7%
B
Use the Pandas UDF to perform feature engineering on each row of the Pandas DataFrame individually.
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