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Google Professional Machine Learning Engineer Exam - Topic 2 Question 26 Discussion

Actual exam question for Google's Professional Machine Learning Engineer exam
Question #: 26
Topic #: 2
[All Professional Machine Learning Engineer Questions]

You are an ML engineer at a global car manufacturer. You need to build an ML model to predict car sales in different cities around the world. Which features or feature crosses should you use to train city-specific relationships between car type and number of sales?

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Suggested Answer: C

by Gladys at May 03, 2022, 03:38 PM

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Cyril
5 months ago
Wait, can one feature really capture all that info? Sounds off.
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Selene
5 months ago
A is too simple, we need more granularity.
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Devon
5 months ago
Not sure about D, seems a bit overcomplicated.
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Cyndy
5 months ago
Definitely agree with C, binned features are key!
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Ressie
5 months ago
I think option C makes the most sense for city-specific predictions.
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Curtis
5 months ago
I practiced a similar question where we combined features, and I think option C sounds right because it includes both binned latitude and longitude with one-hot encoding.
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Laquita
5 months ago
I'm not entirely sure, but I feel like using one-hot encoding for car type is essential. It might help with the categorical nature of the data.
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Madelyn
5 months ago
I remember we discussed feature engineering in class, and I think binned latitude and longitude could help capture regional trends.
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Belen
5 months ago
I’m a bit confused about the element-wise product approach. I wonder if option D could be more effective since it considers interactions between features.
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Elin
6 months ago
Ah, this is a tricky one. I'm torn between B and D. Removing the SD for the target behavior could also be considered a form of extinction, but withholding the maintaining reinforcer seems like the more direct approach. I'll have to weigh the pros and cons of each.
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Melda
6 months ago
Okay, this looks like a future value calculation with varying inflation rates. I'll need to calculate the future car cost first.
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Zack
6 months ago
Okay, I think I've got this. Clinical practice guidelines are a utilization management tool to help providers determine the best course of treatment. I'm going with answer B.
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Latia
6 months ago
Hmm, this is a tricky one. I'm not entirely sure about the difference between a put option and a call option. I'll have to think this through carefully before selecting an answer.
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