Data Mining

• What is the definition of data mining?

  Turning large quantities of data into useful information
• What is one purpose of data mining for an online shop?

  To identify customer trends
• What can data mining help identify about stores?

  Which stores are making the most profit
• What is one way data mining can assist in inventory management?

  Identify items that are not selling well
• What are the key components of data mining?

  • Extracting data from databases
  • Using large data sets
  • Looking for patterns or specific occurrences
  • Gathering data for analysis to inform decisions
• How can data mining be described in simpler terms?

  It searches through data to discover new information
• What is a heuristic?

  A rule of thumb for problem solving
• How does the A* algorithm utilize heuristics?

  It speeds up pathfinding processes
• What is performance modeling?

  Simulating behavior of a system before use
• What is one benefit of performance modeling?

  Run tests impractical in the real world
• What is a drawback of performance modeling?

  It may not accurately predict the real world
• Why is performance modeling used for online systems?

  To simulate behavior under load before launch
• What does pipelining in a processor allow?

  Concurrent processing of multiple instructions
• How does pipelining improve processing speed?

  By executing and decoding instructions simultaneously
• What is the purpose of visualization in problem-solving?

  To create new visualizations for data analysis
• What are the benefits of visualization in problem-solving?

  • Benefits humans rather than computers
  • Presents information in simpler forms
  • Explains complex situations effectively
• How can a heat map be used in sports analysis?

  To show athlete location during a game
• How can visualizations help in website analysis?

  To see where users spend time on a site