Calculating true negative rate
Use confusionMatrix(p_class, test[["Class"]]) to calculate a confusion matrix on the test set.
What is the test set true negative rate (or specificity) of this model (rounded to the nearest percent)?
本练习是课程的一部分
Use confusionMatrix(p_class, test[["Class"]]) to calculate a confusion matrix on the test set.
What is the test set true negative rate (or specificity) of this model (rounded to the nearest percent)?
本练习是课程的一部分
