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Single-number metrics for model selection
A single-number metric gives the team a clear _____ when comparing candidate models during development.
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Precision for a Cat Detector
Recall for a Positive-Class Detector
One Score from Precision and Recall
Using a Dev Set to Compare Model Versions
What is the main advantage of using one evaluation score while developing models?
A single score can help a team rank many models quickly.
Match each development choice to its role in testing model ideas.
Put the model-selection process with one metric in order.
Why a single evaluation score speeds model development
Use one primary score to compare many candidate models.
What two kinds of guidance does a single-number score provide?
What evaluation strategy best helps you choose quickly among many model candidates?
A single evaluation score can help a team choose among competing models and point the team toward the next improvement.
Averaging Subgroup Scores into a Single Evaluation Metric