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MathGaron / mean_average_precision

Small and simple python/numpy utility to compute mean average precision (mAP) on detection task.
MIT License
117 stars 45 forks source link

Explanation of why precision drops to 0? #16

Open anvenkat09 opened 6 years ago

anvenkat09 commented 6 years ago

Hi MathGaron,

Thanks for your wonderful implementation of MAP. I was just wondering if you could explain the reasoning as to why for some classes the precision just drops to 0 after decreasing for a little bit. In your Readme for Class 0, the precision drops to 0 at a recall level of 0.9. Could you please explain this to me?

Thanks a lot!