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Exam Certified Associate Developer for Apache Spark All Questions

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Exam Certified Associate Developer for Apache Spark topic 1 question 79 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 79
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

Which of the following code blocks returns a 10 percent sample of rows from DataFrame storesDF with replacement?

  • A. storesDF.sample(true)
  • B. storesDF.sample(true, fraction = 0.1)
  • C. storesDF.sample(true, fraction = 0.15)
  • D. storesDF.sampleBy(fraction = 0.1)
  • E. storesDF.sample(false, fraction = 0.1)
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Suggested Answer: B 🗳️
by cookiemonster42 at Aug. 1, 2023, 7:53 p.m.

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cookiemonster42
1 year, 3 months ago
correct, an easy one
upvoted 1 times
...

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