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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?

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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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Ernest
3 days ago
Wait, isn't Accuracy important too?
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Shawana
8 days ago
Totally agree, we need to catch as many positives as possible!
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Sheron
13 days ago
I think Recall is the best choice here.
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Serina
18 days 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
24 days 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
29 days 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
1 month ago
I remember we discussed how recall is crucial when identifying positive cases, especially in medical contexts.
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