default nodefault ## default 39 21 ## nodefault 64 2912 ## ## Accuracy : 0.972 ## 95% CI : (0.9655, 0.9776) ## No Information Rate : 0.9661 ## P-Value [Acc > NIR] : 0.03673 ## ## Kappa : 0.4652 ## ## Mcnemar's Test P-Value : 5.225e-06 ## ## Sensitivity : 0.37864 ## Specificity : 0.99284 ## Pos Pred Value : 0.65000 ## Neg Pred Value : 0.97849 ## Prevalence : 0.03393 ## Detection Rate : 0.01285 ## Detection Prevalence : 0.01976 ## Balanced Accuracy : 0.68574 ## ## 'Positive' Class : default ##

Flag question: Question 8

What is the probability that an individual was predicted to default given the individual actually defaulted?

Flag question: Question 9

What is the probability that an individual was predicted to not default given the individual actually did not default?

Flag question: Question 10

Another metric displayed by confusionMatrix() is "Prevalence". Which of the following options best describes prevalence in the context of the default data?

Group of answer choices

1The true positive rate is 0.03393.

2The model accurately predicts loan defaults for this population of individuals (p-value = 0.03393).

3The model predicts that 3.3393% of individuals will default on their loan.

4The proportion of defaults in the observed data is 0.03393.