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Google Professional Machine Learning Engineer Exam - Topic 2 Question 27 Discussion

Your team needs to build a model that predicts whether images contain a driver's license, passport, or credit card. The data engineering team already built the pipeline and generated a dataset composed of 10,000 images with driver's licenses, 1,000 images with passports, and 1,000 images with credit cards. You now have to train a model with the following label map: ['driversjicense', 'passport', 'credit_card']. Which loss function should you use?
D) Sparse categorical cross-entropy
A) Categorical hinge
B) Binary cross-entropy
C) Categorical cross-entropy

Google Professional Machine Learning Engineer Exam - Topic 2 Question 27 Discussion

Actual exam question for Google's Professional Machine Learning Engineer exam
Question #: 27
Topic #: 2
[All Professional Machine Learning Engineer Questions]

Your team needs to build a model that predicts whether images contain a driver's license, passport, or credit card. The data engineering team already built the pipeline and generated a dataset composed of 10,000 images with driver's licenses, 1,000 images with passports, and 1,000 images with credit cards. You now have to train a model with the following label map: ['driversjicense', 'passport', 'credit_card']. Which loss function should you use?

Show Suggested Answer Hide Answer
Suggested Answer: D

se sparse_categorical_crossentropy. Examples for above 3-class classification problem: [1] , [2], [3]


by Hermila at May 06, 2022, 02:50 PM

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Paulene
10 months ago
Totally agree with Categorical cross-entropy! Makes sense for this dataset.
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Oliva
10 months ago
Wait, why not binary cross-entropy? Isn’t that simpler?
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Adelina
11 months ago
Definitely Categorical cross-entropy! It fits the label map perfectly.
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Iesha
11 months ago
I think sparse categorical cross-entropy could work too, but not sure.
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Tammi
11 months ago
Categorical cross-entropy is the way to go for multi-class classification.
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Lilli
11 months ago
I feel like binary cross-entropy is for two classes, so it can't be the answer, but I'm not clear on the differences between the others.
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Walker
11 months ago
Categorical cross-entropy seems right because we have one-hot encoded labels, but I wonder if the imbalance in classes affects the choice.
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Jennie
11 months ago
I remember practicing with a similar question, and I think sparse categorical cross-entropy might be for when labels are integers, but I'm confused about the specifics here.
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Adolph
11 months ago
I think we should use categorical cross-entropy since we have multiple classes, but I'm not entirely sure.
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Linn
11 months ago
This is a tricky one. I know load balancing is important for scalability, but I'm not sure which specific pattern it's associated with. I'll have to make an educated guess and go with option C.
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Domonique
11 months ago
I'm torn between the variable options. If they go for a plain coupon swap at that rate, wouldn't it likely be LIBOR + 0.5% or even 1%?
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Royal
11 months ago
I'm a bit confused about the role of the risk committee. I feel like they have responsibilities, but I can't recall if it's exactly one of COSO's key principles.
upvoted 0 times
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Cecil
11 months ago
Hmm, I'm a bit confused. I know 802.11b also operates at 2.4 GHz, but I'm not sure about the data rate. I'll have to think this through.
upvoted 0 times
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