Data Mining – Questions Answers

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What is Data Mining?

Extracting knowledge from large amount of data, in which process involves as:

  • cleaning
  • integration
  • selection
  • transformation
  • mining/processing
  • pattern evaluation
  • presentation

What are the different discipline of Data Mining fields?

Data Mining is a vast fields, Data Mining disciplines include many fields:

  • Statistics: This fields enabled different formulae of computation for the analysis to be done on data.
  • Machine Learning: which provide different tools which based on different logarithm
  • Databases: This is actual repository , where mining is done.
  • Information Retrieval

What kind of patterns can be mined/found by data mining techniques?

  • Characterization and Discrimination
  • Frequent patterns, Associations, and Correlations
  • Classification and Prediction
  • Cluster analysis
  • Outlier analysis
  • Evolution analysis

Give examples of “Characterization and Discrimination”

  • Characteristics of customers who buy a certain kind of product
  • Customers who buy product A vs customers who buy another product B

Give examples of “Frequent patterns, Associations, and Correlations”

  • What kind of products do customers buy together?
  • If customer buys product A, what’s the chance that he/she will buy product B as well

Give examples of each of the “Classification and Prediction”

  • Classify the sales of various products into different classes
  • Predict the sales of the product

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