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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 139 discussion

Actual exam question from Databricks's Certified Associate Developer for Apache Spark
Question #: 139
Topic #: 1
[All Certified Associate Developer for Apache Spark Questions]

Which of the following code blocks returns a 15 percent sample of rows from DataFrame storesDF without replacement?

  • A. storesDF.sample(True, fraction = 0.15)
  • B. storesDF.sample(fraction = 0.15)
  • C. storesDF.sampleBy(fraction = 0.15)
  • D. storesDF.sample(fraction = 0.10)
  • E. storesDF.sample()
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Suggested Answer: B 🗳️
by Sowwy1 at April 10, 2024, 1:20 p.m.

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Sowwy1
7 months, 2 weeks ago
B. storesDF.sample(fraction = 0.15)
upvoted 1 times
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