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One Simple Way to Combine Precision and Recall
Question: If precision and recall both matter, what basic mathematical operation does the strategy text give as one example of combining them into a single score?
Sample answer: It gives taking their average as an example of combining precision and recall into one number.
Key points:
- Name the operation as averaging.
- Make clear that it is used to combine precision and recall into one score.
Rubric: The answer must state that averaging precision and recall is the example of combining them into a single number.
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A common way to combine precision and recall
True or False: Precision and recall are commonly combined by taking their simple arithmetic mean.
A common single-number summary that balances precision and recall is the _____ mean of the two.
Why combine precision and recall into one score when both matter?
Averaging precision and recall
One Simple Way to Merge Precision and Recall
Match the machine-learning metric to its description.
Order the steps for turning precision and recall into one decision metric.
Which simple operation can combine precision and recall into one score?
If precision and recall are both important, the best practice is to keep them as separate metrics instead of combining them into one score.
When precision and recall both matter, use a _____ metric.
Match each idea to the corresponding evaluation takeaway.
Put the steps in order for replacing two separate evaluation metrics with one overall score.
How should precision and recall be evaluated together?
Choosing One Score for a Risk-Flagging Model
One Simple Way to Combine Precision and Recall