4.3.2.4 - Data Reduction
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Practice Questions
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Define data reduction.
💡 Hint: Think about why reducing data size could be useful.
What is sampling?
💡 Hint: Consider how one can represent a larger group with fewer items.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does data reduction aim to achieve?
💡 Hint: Think about data processing and its efficiency.
True or False: Dimensionality reduction can help prevent overfitting in AI models.
💡 Hint: Remember why we simplify datasets.
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Challenge Problems
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You have a dataset of 10,000 customer reviews. How would you apply sampling to gain insights while minimizing data size?
💡 Hint: Consider methods like stratified sampling for more accuracy.
Explain a situation where choosing between sampling and dimensionality reduction is necessary. What factors would you consider?
💡 Hint: Focus on the type of data and the desired outcome.
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