GBU_Final Quiz

Which machine learning algorithm is commonly used for regression tasks with continuous target variables?

• Decision tree

• K-means clustering

• Support Vector Machine

• Random Forest

Which technique is used for feature extraction and dimensionality reduction in machine learning?

• K-means clustering

• Principal Component Analysis (PCA)

• Logistic regression

• Convolutional Neural Network (CNN)

Which technique is used to evaluate and validate machine learning models on unseen data?

• Overfitting

• Underfitting

• Cross-validation

• Regularization

Which technique is used for identifying similar patterns or groups in unlabeled data?

• Decision tree

• K-means clustering

• Linear regression

• Naive Bayes

Which library in Python is commonly used for machine learning tasks?

• Scikit-learn

• Django

• Flask

• PyTorch

Which technique can be used for transferring knowledge learned from one task to another in machine learning?

• Transfer learning

• Reinforcement learning

• Deep learning

• Supervised learning

Which method is used to handle missing data in machine learning?

• Dropping rows with missing values

• Filling missing values with the mean or median

• Using interpolation techniques

• All of the above

Which evaluation metric is commonly used for imbalanced classification tasks?

• Accuracy

• Precision

• Recall

• F1 score

Which technique can be used to handle the curse of dimensionality in machine learning?

• Feature selection

• Principal Component Analysis (PCA)

• Lasso regression

• Ridge regression

Which technique is used for handling categorical variables in machine learning?

• One-Hot Encoding

• Label Encoding

• both