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Databricks Certified Professional Data Scientist Exam - Topic 5 Question 48 Discussion

Actual exam question for Databricks's Databricks Certified Professional Data Scientist exam
Question #: 48
Topic #: 5
[All Databricks Certified Professional Data Scientist Questions]

Refer to the exhibit.

You are building a decision tree. In this exhibit, four variables are listed with their respective values of info-gain.

Based on this information, on which attribute would you expect the next split to be in the decision tree?

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Suggested Answer: A

by Bok at Oct 17, 2023, 08:14 PM

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Ryan
3 months ago
Income seems important too, though.
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Chandra
3 months ago
Wait, is Gender really that low? Surprising!
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Roxanne
3 months ago
I thought Age would be more significant, but okay.
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Silvana
4 months ago
Totally agree, that makes the most sense!
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Sheldon
4 months ago
Credit Score has the highest info-gain.
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Angelyn
4 months ago
If I recall correctly, credit score often has a significant impact in these scenarios, but I need to double-check the values before deciding.
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Cherelle
4 months ago
I’m a bit confused about how to interpret the info-gain values. Does a higher value always mean it’s the best choice?
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Jerry
4 months ago
I remember a similar practice question where we had to choose based on info-gain, and I think it was always the highest value that mattered.
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Veda
5 months ago
I think the attribute with the highest info-gain should be the next split, but I’m not sure which one that is from the exhibit.
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Niesha
5 months ago
Based on the info-gain values provided, I would expect the next split to be on the attribute with the highest value, which looks like Income.
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Ula
5 months ago
I'm a bit confused by this - do we need to consider anything else besides just the info-gain values? I want to make sure I'm not missing something.
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Vallie
5 months ago
Okay, the info-gain values are given, so I just need to identify which one is the highest. That should be the answer.
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Kati
5 months ago
This looks straightforward - the attribute with the highest info-gain should be the next split in the decision tree.
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Lashaunda
5 months ago
Hmm, I'm not totally sure how to interpret the info-gain values here. I'll need to review my notes on decision tree algorithms.
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Shawnda
5 months ago
Okay, let me think this through step-by-step. We have 10 floors of buildings that need WLAN coverage, and the signal can be set to 6 channels. The question is asking if the WLAN signal is 5,6 layered. I think I can work this out.
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Nieves
5 months ago
The key here is that the users are complaining about slow performance, so I'd focus on the Session Logs to see what actions they're taking that might be causing the slowdown.
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Val
5 months ago
I practiced something similar and remember that replacing usually means updating, so could E be a potential answer?
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Glenn
5 months ago
I feel like a managing director could definitely be a related party, but I'm unsure if it's the only one listed here.
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Felton
5 months ago
I think Missy chose a multiple probe design because the students' baseline scores will be really low, like zero, so it fits better than a multiple baseline design.
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