In K-means clustering, what is a graph of the WSS versus the value of K used to help determine?
When using association rules, what is an itemset?
When building a K-means clustering model, you notice that the clusters did not segment on variables that you expected. What should you do?
Refer to the exhibit.
To predict whether or not a customer will renew their annual property insurance policy, an insurance company built and operationalized a naïve Bayes classification model. In the model, there are two class labels, renewal and non-renewal, that are assigned to each customer based on their attributes.
A subset of the key attributes, their values, and corresponding conditional probabilities are provided in the exhibit.
A customer has the following attributes:
● Age is greater than 65 years
● Owns their own home
● Renewal month is August
If 20% of customers do not renew the police every year, what is the score for a renewal in the naïve Bayesian model for the customer described above?
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