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Un-Answered Questions { AI Machine Learning }

How is KNN different from K-means clustering?

126


What is ROC curve and what does it represent?

113


What’s the difference between Type I and Type II error?

160


Is it better to have too many false positives or too many false negatives? Explain.

78


Which is more important to you – model accuracy or model performance?

86


What is the difference between Gini Impurity and Entropy in a Decision Tree?

235


What is the difference between Entropy and Information Gain?

136


What is Overfitting? And how do you ensure you’re not overfitting with a model?

111


Explain Ensemble learning technique in Machine Learning?

122


What is bagging and boosting in Machine Learning?

186


What is bagging in Machine Learning?

111


What is boosting in Machine Learning?

97


How would you screen for outliers and what should you do if you find one?

116


What are collinearity and multicollinearity?

124


What do you understand by Eigenvectors and Eigenvalues?

116