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Exam DP-100 topic 3 question 35 discussion

Actual exam question from Microsoft's DP-100
Question #: 35
Topic #: 3
[All DP-100 Questions]

You are building a regression model for estimating the number of calls during an event.
You need to determine whether the feature values achieve the conditions to build a Poisson regression model.
Which two conditions must the feature set contain? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

  • A. The label data must be a negative value.
  • B. The label data must be whole numbers.
  • C. The label data must be non-discrete.
  • D. The label data must be a positive value.
  • E. The label data can be positive or negative.
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Suggested Answer: BD 🗳️
by Arif001300 at April 30, 2020, 3:18 p.m.

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Arif001300
Highly Voted 4 years, 6 months ago
Answer is B and D
upvoted 17 times
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evangelist
Most Recent 5 months ago
Selected Answer: BD
Poison regression is about number of count and it has to be positive and whole number.
upvoted 1 times
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fhlos
1 year, 4 months ago
Selected Answer: BD
B, D - ChatGPT
upvoted 1 times
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krishna1818
1 year, 5 months ago
yes Poisson distribution is applicable for whole numbers which are positive
upvoted 1 times
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ning
2 years, 5 months ago
The definition for Poisson Regression is that Y must be counts, so it is a positive integer
upvoted 1 times
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dija123
2 years, 10 months ago
Selected Answer: BD
Agree with B & D
upvoted 2 times
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anjurad
3 years, 6 months ago
The outcome variable in a Poisson regression cannot have negative numbers, so input variables cannot be negative + Poisson regression is often used for modelling count data (whole numbers)
upvoted 1 times
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lance_96
3 years, 7 months ago
I also share the answer B & D. If you answer only B, you risk that the final count could be negative, as whole numbers in general also include negative whole numbers.
upvoted 2 times
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saurabhk1
3 years, 8 months ago
I think, the answer is only B, Poison distribution can be used for count only. Count is a discrete quantity(Whole number). When we talk about the positive number, they can be whole or real number. i mean, 4 and 4.2 are both positive number. But, 4 is a whole number.
upvoted 1 times
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nikhilmehra
3 years, 8 months ago
Agree it should be B & D
upvoted 2 times
...
Askme101
3 years, 10 months ago
Agree it should be B &D
upvoted 3 times
...
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