Week 4 Quiz of Predictive Modeling and Analytics
Week 4 Quiz of Predictive Modeling and Analytics
Question 1
Consider the following split in the appointment data.
What is the Gini index for the branch Age<65.5?
Question 2
The bagging procedure can reduce the variance of a predictive model. Check all true statements about the bagging method. (Check all that apply.)
Question 3
What do the bagging and random forest methods have in common?
Question 4
What sets the random forest algorithm apart from bagging and boosting algorithms?
Question 5
What relationship do the hidden layer nodes have to the output layer nodes based on the diagram?
Question 6
True or False: both linear regression and logistic regression can be viewed as a neural network with no hidden layers.
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