Databricks Certified Machine Learning - Associate
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Ultimate access to all questions.
What role does StringIndexer play in the One Hot Encoding (OHE) process within Spark?
A
StringIndexer is utilized to generate dummy variables directly from categorical data.
B
StringIndexer assigns numerical indices to string labels, facilitating the OHE process.
C
StringIndexer replaces categorical variables with their numerical counterparts.
D
StringIndexer executes OHE on categorical variables without any preprocessing.