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Databricks Machine Learning Associate Exam - Topic 3 Question 39 Discussion

A health organization is developing a classification model to determine whether or not a patient currently has a specific type of infection. The organization's leaders want to maximize the number of positive cases identified by the model.Which of the following classification metrics should be used to evaluate the model?
E) Recall
A) RMSE
B) Precision
C) Area under the residual operating curve
D) Accuracy

Databricks Machine Learning Associate Exam - Topic 3 Question 39 Discussion

Actual exam question for Databricks's Databricks Machine Learning Associate exam
Question #: 39
Topic #: 3
[All Databricks Machine Learning Associate Questions]

A health organization is developing a classification model to determine whether or not a patient currently has a specific type of infection. The organization's leaders want to maximize the number of positive cases identified by the model.

Which of the following classification metrics should be used to evaluate the model?

Show Suggested Answer Hide Answer
Suggested Answer: E

When the goal is to maximize the identification of positive cases in a classification task, the metric of interest is Recall. Recall, also known as sensitivity, measures the proportion of actual positives that are correctly identified by the model (i.e., the true positive rate). It is crucial for scenarios where missing a positive case (false negative) has serious implications, such as in medical diagnostics. The other metrics like Precision, RMSE, and Accuracy serve different aspects of performance measurement and are not specifically focused on maximizing the detection of positive cases alone. Reference:

Classification Metrics in Machine Learning (Understanding Recall).


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Jose
23 days ago
Wait, isn't Accuracy important too?
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Ronny
28 days ago
Totally agree, we need to catch as many positives as possible!
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Skye
1 month ago
I think Recall is the best choice here.
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Jamie
1 month ago
I’m surprised they didn’t mention F1 score!
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Felix
1 month ago
Precision could be useful, but not the main focus here.
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Ernest
2 months ago
Wait, isn't Accuracy important too?
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Shawana
2 months ago
Totally agree, we need to catch as many positives as possible!
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Sheron
2 months ago
I think Recall is the best choice here.
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Serina
2 months ago
I vaguely recall something about the area under the curve, but I can't remember how it relates to this specific scenario.
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Dudley
2 months ago
I feel like accuracy might not be the best metric in this case, especially if the infection is rare.
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Heidy
2 months ago
I think precision is important too, but I’m not sure if it’s the best choice here since they want to maximize positive identifications.
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Lera
3 months ago
I remember we discussed how recall is crucial when identifying positive cases, especially in medical contexts.
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