Data Mining and Warehousing
5 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT a type of attribute in data mining?

  • Discrete
  • Continuous (correct)
  • Quantitative
  • Qualitative
  • What are the two scales of measurement for quantitative data?

  • Discrete and Continuous
  • Interval Scaled and Ratio Scaled (correct)
  • Nominal and Ordinal
  • Qualitative and Quantitative
  • What is a dataset?

  • Structured data
  • A collection of data (correct)
  • Semi-structured data
  • Unstructured data
  • What are the three categories of datasets?

    <p>Record Data, Graph-based Data, and Structured Data</p> Signup and view all the answers

    What are real-world data typically characterized by?

    <p>Noisy, enormous in volume, and heterogeneous sources</p> Signup and view all the answers

    Study Notes

    Data Mining Fundamentals

    • Nominal attribute is NOT a type of attribute in data mining.

    Scales of Measurement for Quantitative Data

    • The two scales of measurement for quantitative data are: • Interval scale • Ratio scale

    Dataset Definition and Categories

    • A dataset is a collection of data, usually presented in a table or spreadsheet, with each row representing a single observation, and each column representing a variable.
    • The three categories of datasets are: • Microdata: individual-level data • Mesodata: grouped data • Macrodata: aggregated data

    Characteristics of Real-World Data

    • Real-world data are typically characterized by: • Noise • Inconsistency • Incompleteness • Irrelevance

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your knowledge on data mining and warehousing with this quiz. Learn about data objects, attribute types, basic statistical descriptions of data, and measuring data similarity and dissimilarity. Get ready to expand your understanding of data with this informative quiz.

    More Like This

    CRISP-DM Process for Data Mining Quiz
    10 questions
    Data Mining Concepts Quiz
    207 questions

    Data Mining Concepts Quiz

    WinningTropicalRainforest avatar
    WinningTropicalRainforest
    Mixing Methods in Data Analysis
    10 questions
    Use Quizgecko on...
    Browser
    Browser