43 - Machine learning
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2. To find the minimum or the maximum of a function, we set the gradient to zero because: a. The value of the gradient at extrema of a function is always zero - answer b. Depends on the type of problem c. Both A and B d. None of the above
a. The value of the gradient at extrema of a function is always zero - answer
3. The most widely used metrics and tools to assess a classification model are: a. Confusion matrix b. Cost-sensitive accuracy c. Area under the ROC curve d. All of the above - answer
d. All of the above - answer
1. Which of the following is a widely used and effective machine learning algorithm based on the idea of bagging? a. Decision Tree b. Regression c. Classification d. Random Forest - answer
d. Random Forest - answer
