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Free D-DS-FN-23 Exam Braindumps (page: 3)

Page 2 of 16
PDF with 59 Questions

You have been given a task to improve sales force compensation of your organization. As a result of a study, your team decides to classify personnel as follows:
Did not meet quota
Met quota
Exceeded 150% of quota
In which data analytics lifecycle phase should you define these categories for analysis purposes?

  1. Model building
  2. Communicate results
  3. Operationalize
  4. Model planning

Answer(s): D



A decision tree is being built. An internal node is being evaluated for partitioning on variables A and

  1. The entropy of the internal node is 0.8. The entropy for each of the variables is as follows:
    Variable A: 0.5

    Variable B: 0.4
    Which variable will be used to partition the data and what is the information gain?
  2. Variable B; information gain is 0.1
  3. Variable B; information gain is 0.4
  4. Variable A; information gain is 0.1
  5. Variable A; information gain is 0.5

Answer(s): B



In association rules, given items X and Y, what does lift measure?

  1. Percentage of transactions that contain an itemset with X
  2. Percentage of transactions with Xthat also contain Y
  3. Difference in the probability ofX and Y appearing together compared with expectations as if they were statistically independent
  4. How many times more often X and Y occur together than expected if they were statistically independent, expressed as a ratio

Answer(s): D



What are categorized as cluster and workflow management tools for Hadoop?

  1. Flume, Sqoop, and Storm
  2. Drill, Hive, and HBase
  3. Spark, Tez, and Cassandra
  4. Ambari, Oozie, and Zookeeper

Answer(s): D






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