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Questions and Answers
Which of the following is NOT a reason for data preprocessing?
Which of the following is NOT a reason for data preprocessing?
- Data integration and transformation
- Data reduction
- Data cleaning
- Data visualization (correct)
What is one of the major tasks in data preprocessing?
What is one of the major tasks in data preprocessing?
- Data cleaning (correct)
- Data visualization
- Data analysis
- Data mining
Which of the following is NOT a measure of data quality?
Which of the following is NOT a measure of data quality?
- Completeness
- Accuracy
- Complexity (correct)
- Timeliness
Why is quality data important for data mining?
Why is quality data important for data mining?
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What is one of the problems with data in the real world?
What is one of the problems with data in the real world?
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Which of the following is a reason for data preprocessing?
Which of the following is a reason for data preprocessing?
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What is one of the major tasks in data preprocessing?
What is one of the major tasks in data preprocessing?
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What is one of the problems with data in the real world?
What is one of the problems with data in the real world?
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Which of the following is NOT a measure of data quality?
Which of the following is NOT a measure of data quality?
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Why is quality data important for data mining?
Why is quality data important for data mining?
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