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You know that X causes Y. You also know that Z causes X, and that Z does not cause Y. Which of these DAGS would be correct? ON-X-Y-Z OZ-X-Y-Z OX-Z-Y OZ-X-Y

You know that X causes Y. You also know that Z causes X, and that Z does not cause Y. Which of these DAGS would be correct? ON-X-Y-Z OZ-X-Y-Z OX-Z-Y OZ-X-Y

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.CR: Chapter 1 Review
Problem 78CR
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D D D D Question 25 You know that X causes Y. You also know that Z causes X, and that Z does not cause Y. Which of these DAGS would be correct? OZ-X-Y-Z OZ-X-Y-Z OX-Z-Y O Z-X-Y Question 26 Say that a data generating process can be correctly represented by the DAG Z-X→Y. What controls would you need to identify the causal effect of X on Y? O Depends on the statistical distribution I choose O Controlling for Z is necessary O Depends on the p-value I want O Controls are not necessary in this case Question 27 Assume that a data generating process can be correctly represented by the DAG A-X-Y-B. What controls would you need to identify the causal effect of X on Y? O Need to control for A or B O No controls necessary O Need to control for A and B O Need to control for Z Question 28 You suspect that the data generating process can be described with the DAG: X-Z-Y. Should you include Z in your analysis of the relationship between X and Y? O No because it is a collider O Yes because it is a collider O No because it is a confounder OYes because it is a confounder
Transcribed Image Text:D D D D Question 25 You know that X causes Y. You also know that Z causes X, and that Z does not cause Y. Which of these DAGS would be correct? OZ-X-Y-Z OZ-X-Y-Z OX-Z-Y O Z-X-Y Question 26 Say that a data generating process can be correctly represented by the DAG Z-X→Y. What controls would you need to identify the causal effect of X on Y? O Depends on the statistical distribution I choose O Controlling for Z is necessary O Depends on the p-value I want O Controls are not necessary in this case Question 27 Assume that a data generating process can be correctly represented by the DAG A-X-Y-B. What controls would you need to identify the causal effect of X on Y? O Need to control for A or B O No controls necessary O Need to control for A and B O Need to control for Z Question 28 You suspect that the data generating process can be described with the DAG: X-Z-Y. Should you include Z in your analysis of the relationship between X and Y? O No because it is a collider O Yes because it is a collider O No because it is a confounder OYes because it is a confounder
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