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Machine learning Quiz
Quiz o Clock
14
Which of the following is a supervised learning algorithm?
A. K-Means Clustering
B.Principal Component Analysis (PCA)
C. Decision Trees
D. Independent Component Analysis (ICA)
What is the purpose of the activation function in a neural network?
A. To reduce the dimensionality of the data
B.To introduce non-linearity into the model
C.To perform feature scaling
D.To initialize the weights
Which metric is commonly used to evaluate the performance of a classification model?
A.Mean Squared Error (MSE)
B.R-squared
C.Accuracy
D.Mean Absolute Error (MAE)
In the context of machine learning, what does 'overfitting' mean?
A. The model performs poorly on training data
B. The model performs well on both training and test data
C.The model performs well on training data but poorly on test data
D.The model has a high bias and low variance
Which of the following algorithms is used for regression tasks?
A.Support Vector Machines (SVM)
B.Linear Regression
C.k-Nearest Neighbors (k-NN)
D.Apriori Algorithm
What is the main advantage of using the Random Forest algorithm?
A.It is easy to interpret
B.It is computationally inexpensive
C. It reduces the risk of overfitting
D.It works well with small datasets
Which technique is used to reduce the number of features in a dataset?
A.Bagging
B.Boosting
C.Feature Scaling
D.Principal Component Analysis (PCA)
What does the term 'epoch' refer to in the context of neural networks?
A.One forward pass and one backward pass of all the training examples
B.The number of neurons in a layer
C.The number of layers in a neural network
D.The batch size used during training
Which of the following is an unsupervised learning algorithm?
A.Logistic Regression
B.Naive Bayes
C.K-Means Clustering
D.Random Forest
What is the goal of reinforcement learning?
A.To learn from a labeled dataset
B.To learn from an unlabeled dataset
C. To maximize a cumulative reward
D.To minimize a loss function
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