1- If we are using a Training and Test set scheme, the error rate (or the percen
ID: 2923567 • Letter: 1
Question
1- If we are using a Training and Test set scheme, the error rate (or the percent instances classified correctly) we should pay attention to is the error rate on the ____ set
A)Training
b)average of Training and Test
C)TesT
2-Why do we often split the data into Training and Test sets?
We often fit so many models on the Training set that we are vulnerable to overfitting.
In a numeric classification problem, what replaces the confusion matrix as the basic measure of accuracy?
A)Training
b)average of Training and Test
Explanation / Answer
1. We should pay attention to the erro rate in the c)Test set
2. D) We often fit so many models on the Training set that we are vulnerable to overfitting.
3. A) root mean squared error
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