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DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK · Question #16
DATABRICKS-CERTIFIED-ASSOCIATE-DEVELOPER-FOR-APACHE-SPARK Question #16: Real Exam Question with Answer & Explanation
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Performing Basic DataFrame Operations
Question
Which of the following code blocks returns a collection of summary statistics for all columns in DataFrame storesDF?
Options
- AstoresDF.summary("mean")
- BstoresDF.describe(all = True)
- CstoresDF.describe("all")
- DstoresDF.summary("all")
- EstoresDF.describe()
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Topics
#PySpark DataFrame#Descriptive Statistics#Data Exploration#DataFrame API