SAS Exam A00-240 Topic 8 Question 107 Discussion

Actual exam question for SAS's A00-240 exam

Question #: 107
Topic #: 8

Refer to the exhibit:

The plots represent two models, A and B, being fit to the same two data sets, training and validation.

Model A is 90.5% accurate at distinguishing blue from red on the training data and 75.5% accurate at doing the same on validation dat

a. Model B is 83% accurate at distinguishing blue from red on the training data and 78.3% accurate at doing the same on the validation data.

Which of the two models should be selected and why?

AModel A. It is more complex with a higher accuracy than model B on training data.

BModel A. It performs better on the boundary for the training data.

CModel B. It is more complex with a higher accuracy than model A on validation data.

DModel B. It is simpler with a higher accuracy than model A on validation data.

Show Suggested Answer

Suggested Answer: C

by Barrie at Feb 11, 2025, 04:31 PM

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Erinn

4 months ago

I'd have to go with Model B. Sure, it's not as flashy as Model A, but it's got the chops where it counts - on the validation data. Accuracy on the training set is cool and all, but real-world performance is what matters in the end.

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Layla

3 months ago

Model B is simpler and still performs better on the validation data, that's what matters most.

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Torie

3 months ago

Yeah, Model A may be more accurate on the training data, but Model B is more accurate on the validation data.

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Elvis

3 months ago

I agree, Model B seems like the better choice for real-world performance.

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Desiree

4 months ago

Haha, this is a classic case of the 'validation gap'! Model A is clearly the diva of the group, strutting its stuff on the training data but falling flat on the validation. Model B is the humble workhorse, getting the job done without all the drama.

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Tyisha

4 months ago

Hmm, I'm not convinced. Model B may be simpler, but it's still got a pretty decent accuracy on the validation data. I'd go with the simpler model, it's less likely to have issues with overfitting.

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Joaquin

3 months ago

But accuracy is also important, especially on validation data.

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Quentin

3 months ago

I agree, simplicity is key when it comes to model selection.

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Noah

4 months ago

I think Model A is the better choice. Sure, it has a higher accuracy on the training data, but that's probably because it's more complex and able to overfit the training set. The validation data is a better representation of real-world performance, and Model A does better there.

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