Data Mining (OCR A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does data mining primarily analyse?
What does data mining primarily analyse?
Large datasets
What is the purpose of data mining?
What is the purpose of data mining?
Turn raw data into actionable insights
Which data mining technique assigns data into predefined categories?
Which data mining technique assigns data into predefined categories?
Classification
What does the clustering technique do?
What does the clustering technique do?
Groups similar data points together
Which technique identifies relationships between variables?
Which technique identifies relationships between variables?
Association Rule Mining
What does anomaly detection identify?
What does anomaly detection identify?
Unusual data points differing from norm
What happens during data preprocessing?
What happens during data preprocessing?
Data is cleaned & transformed
How is data mining used in healthcare for forecasting?
How is data mining used in healthcare for forecasting?
Predictive analytics for outbreaks
How does data mining help in finance?
How does data mining help in finance?
Detects unusual transaction patterns
What issue can poor-quality data cause?
What issue can poor-quality data cause?
Inaccurate or misleading results
What is overfitting in data mining?
What is overfitting in data mining?
Performs well on training, poorly on new
Which systems allow parallel processing in data mining?
Which systems allow parallel processing in data mining?
Hadoop or Spark