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Questions and Answers
What is the primary goal of data preprocessing?
What is the primary goal of data preprocessing?
- To complicate the dataset
- To prepare raw data for further analysis (correct)
- To reduce the size of the dataset
- To make the dataset more comprehensive
Which of the following is a common data preprocessing task?
Which of the following is a common data preprocessing task?
- Data storage
- Data cleaning (correct)
- Data mining
- Data visualization
What does data transformation typically involve?
What does data transformation typically involve?
- Converting data from one format or structure into another (correct)
- Compressing the size of the dataset
- Changing the programming language of the data
- Deleting irrelevant data points
Why is feature scaling important in data preprocessing?
Why is feature scaling important in data preprocessing?
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What is the purpose of data cleaning?
What is the purpose of data cleaning?
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Which of the following is a basic method of handling missing data?
Which of the following is a basic method of handling missing data?
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What is the goal of data integration?
What is the goal of data integration?
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What is the term for selecting a subset of relevant features from a dataset?
What is the term for selecting a subset of relevant features from a dataset?
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Which of the following is NOT a benefit of data preprocessing?
Which of the following is NOT a benefit of data preprocessing?
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