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R-Precision variant of Precision metrics #123

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blondered opened this issue Apr 20, 2024 · 0 comments
Open

R-Precision variant of Precision metrics #123

blondered opened this issue Apr 20, 2024 · 0 comments
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enhancement New feature or request help wanted Extra attention is needed

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@blondered
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blondered commented Apr 20, 2024 •
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Feature Description

Add r_precision: bool = False parameter to Precision metric.
When r_precision is set to True, number of True Positives in K recommendations for user are divided by min(K, test items count for user) instead of simple division by K.

Why this feature?

This variant has better interpretation. https://www.shaped.ai/blog/evaluating-recommendation-systems-part-1

Additional context

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@blondered blondered added good first issue Good for newcomers enhancement New feature or request and removed good first issue Good for newcomers labels Apr 20, 2024
@blondered blondered added the help wanted Extra attention is needed label May 30, 2024
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enhancement New feature or request help wanted Extra attention is needed
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