Question: Q4. Define precision, recall and accuracy. Q5. Explain the various methods to perform cross validation? Q6. How do you differentiate between supervised and unsupervised

Q4. Define precision, recall and accuracy. Q5. Explain the various methods to

Q4. Define precision, recall and accuracy. Q5. Explain the various methods to perform cross validation? Q6. How do you differentiate between supervised and unsupervised learning algorithm? Q7. Consider the following 3 class classification matrix. Calculate recall and precision for each class Actual values Predicted values A B C A 15 2 3 B 7 15 8 C 2 3 45

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