Data Science Process Overview
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Questions and Answers

Which of the following is not one of the standard steps in the data science process?

  • Developing the model
  • Summarizing the results (correct)
  • Understanding the problem
  • Preparing the data samples

What motivated the development of data mining techniques?

  • The evolution of programming languages
  • The wide availability of huge amounts of data and the need to extract useful information (correct)
  • The desire to automate business processes
  • The need to process large amounts of structured data

Which of the following is an acronym for a data science process framework?

  • DMAIC
  • CRISP-DM
  • SEMMA
  • All of the above (correct)

What does the acronym CRISP-DM stand for?

<p>Cross-Industry Standard Process for Data Mining (D)</p> Signup and view all the answers

How many phases are there in the CRISP-DM process?

<p>6 (A)</p> Signup and view all the answers

What is the primary focus of the Business Understanding phase in the data science process?

<p>Understanding the objectives and requirements of the project (B)</p> Signup and view all the answers

Which of the following is NOT a characteristic of the data science process described in the text?

<p>It is domain-specific (B)</p> Signup and view all the answers

What is the primary purpose of the prior knowledge step in the data science process?

<p>To define the problem being solved (A)</p> Signup and view all the answers

Which of the following is a common issue in the data science process described in the text?

<p>False or spurious signals in the dataset (B)</p> Signup and view all the answers

What is the most important step in the data science process according to the text?

<p>Defining the objective of the whole process (C)</p> Signup and view all the answers

Flashcards

Data Science Process Steps

A structured approach to analyzing data and extracting insights.

Motivations for Data Mining

Large datasets and the need to find valuable information within them.

CRISP-DM

Cross-Industry Standard Process for Data Mining (a framework).

CRISP-DM Phases

The six steps in the CRISP-DM process: Business Understanding, Data Understanding, Data Preparation, Modeling, Evaluation, Deployment.

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Business Understanding (Phase)

Defining project goals and requirements.

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Data Science Process Characteristic

The process is not tied to a specific field of study.

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Purpose of Prior Knowledge

Clarifying the problem that needs to be solved.

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Common Data Science Issue

Mistakes or inaccurate signals in datasets.

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Most Important Data Science Step

Defining the project's objective.

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Data Science Process

A structured cycle for data analysis and problem solving.

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