Data Exploration and Model Building in Data Science
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Questions and Answers

In which phase of the model development process do you map out your approach?

  • Model Planning (correct)
  • Model Building
  • Operationalize
  • Communicate Results
  • When is it recommended to conduct a peer review of your analytic plan?

  • After drafting the plan and sharing it for peer review (correct)
  • Before mapping out your approach
  • When you have a clear understanding of the problem, but haven’t scoped the data sources yet
  • After operationalizing the model
  • What is the primary focus of Phase 4: Model Building?

  • Communicating results to stakeholders
  • Delivering final reports and technical documents
  • Developing data sets for testing, training, and production (correct)
  • Exploring data relationships
  • Which tool is well-suited for performing statistical tests and analytics on big data?

    <p>R</p> Signup and view all the answers

    Why is ELT (Extract, Load, Transform) encouraged for analyzing credit card fraud data?

    <p>ELT allows for data transformation before loading, ensuring cleaner data for analysis.</p> Signup and view all the answers

    What is one characteristic of the Agile aspect of the MAD approach?

    <p>Iterative development</p> Signup and view all the answers

    In which phase do you determine the methods, techniques, and workflow for model scoring?

    <p>Model Planning</p> Signup and view all the answers

    What is the primary focus of Phase 3: Communicate Results?

    <p>Communicating results to stakeholders</p> Signup and view all the answers

    What is the primary benefit of using ELT for analyzing credit card fraud data?

    <p>Improved data quality</p> Signup and view all the answers

    What is the primary goal of the Model Planning phase?

    <p>Defining the scope of the project</p> Signup and view all the answers

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