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Questions and Answers
Which of the following best describes the purpose of the code 'StandardScaler()' in APA?
Which of the following best describes the purpose of the code 'StandardScaler()' in APA?
- It is used to perform dimensionality reduction on a dataset
- It is used to scale the features of a dataset to a standard range (correct)
- It is used to split a dataset into training and testing sets
- It is used to encode categorical variables into numerical values
What is the purpose of the code 'sc' in APA?
What is the purpose of the code 'sc' in APA?
- It is a library used for data visualization
- It is a class that represents a dataset
- It is a function that performs feature scaling
- It is a variable used to store the StandardScaler object (correct)
Why is it important to scale the features of a dataset in machine learning?
Why is it important to scale the features of a dataset in machine learning?
- To make the dataset easier to interpret
- To ensure all features have the same scale (correct)
- To reduce the impact of outliers
- To improve the performance of machine learning algorithms
