Podcast
Questions and Answers
What is the primary goal of feature selection in predictive modeling?
What is the primary goal of feature selection in predictive modeling?
- To visualize high-dimensional data
- To identify the most relevant features to predict a target variable (correct)
- To increase the accuracy of the model
- To reduce the number of features in the dataset
What is the purpose of ranking features based on their chi-squared scores in the filter method?
What is the purpose of ranking features based on their chi-squared scores in the filter method?
- To eliminate the least contributing features
- To select the top 10 features with the highest scores (correct)
- To visualize the feature importance
- To identify the most correlated features
What is the benefit of dimensionality reduction in terms of model performance?
What is the benefit of dimensionality reduction in terms of model performance?
- It reduces the accuracy of the model
- It has no impact on model performance
- It increases the risk of overfitting
- It mitigates the risk of overfitting (correct)
What is the main advantage of using recursive feature elimination (RFE) in the wrapper method?
What is the main advantage of using recursive feature elimination (RFE) in the wrapper method?
What is a benefit of dimensionality reduction in terms of data analysis?
What is a benefit of dimensionality reduction in terms of data analysis?
What is a key concern in ensuring individuals' rights in data mining?
What is a key concern in ensuring individuals' rights in data mining?
What is a major challenge in anonymizing data?
What is a major challenge in anonymizing data?
Which of the following is a crucial aspect of transparency in data mining?
Which of the following is a crucial aspect of transparency in data mining?
What is a primary concern in ensuring fairness in data mining?
What is a primary concern in ensuring fairness in data mining?
What is the main goal of regulatory compliance in data mining?
What is the main goal of regulatory compliance in data mining?
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