Microsoft DP-100 Exam - Topic 5 Question 43 Discussion

Actual exam question for Microsoft's DP-100 exam

Question #: 43
Topic #: 5

[All DP-100 Questions]

You are evaluating a completed binary classification machine.

You need to use the precision as the evaluation metric.

Which visualization should you use?

Ascatter plot

Bcoefficient of determination

CReceiver Operating Characteristic CROC) curve

DGradient descent

Show Suggested Answer

Suggested Answer: C

Receiver operating characteristic (or ROC) is a plot of the correctly classified labels vs. the incorrectly classified labels for a particular model.

References:

https://docs.microsoft.com/en-us/azure/machine-learning/how-to-understand-automated-ml#confusion-matrix

by Natalie at May 10, 2022, 02:37 AM

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Nelida

4 months ago

I agree, ROC is the standard for binary classification metrics!

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Yolando

5 months ago

Wait, can you really use precision with gradient descent?

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Benedict

5 months ago

Definitely ROC curve, it shows trade-offs well.

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Frederica

5 months ago

I thought scatter plots were better for this kind of thing?

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Cammy

5 months ago

ROC curve is the way to go for precision!

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Thersa

5 months ago

I feel like gradient descent is more about optimization, not evaluation metrics. So that option seems off to me.

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Misty

5 months ago

I practiced with ROC curves before, and they seem to show the trade-off between true positive and false positive rates, which might relate to precision.

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Jacob

5 months ago

I think precision is related to true positives and false positives, so maybe a ROC curve could help visualize that?

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Mollie

5 months ago

I'm not entirely sure, but I remember something about scatter plots not being ideal for classification metrics.

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Nathalie

5 months ago

Hmm, this is a tricky one. I'm not sure if I fully understand the requirements about not creating new forms. I might need to re-read the question a few times to make sure I'm on the right track.

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Lacey

6 months ago

I think I'll go with option C. Adding the customer name and order ID as new process payload data objects seems like the safest bet to meet the requirements.

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