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- 精确率、召回率、F1 值、ROC、AUC 各自的优缺点是什么？ - 知乎
F1-score 就是一个综合考虑precision和recall的metric： 2*precision*recall (precision + recall) 基本上呢，问题就是如果你的两个模型，一个precision特别高，recall特别低，另一个recall特别高，precision特别低的时候，f1-score可能是差不多的，你也不能基于此来作出选择。
- accuracy 和 precision 的区别是什么？ - 知乎
precision的一般应用场景是，还是那个电子称，称千克原器，告诉你重0吨，上面的数字显示也只有吨（当然真实的电子称不会这么夸张），你又放了999个上去，告诉你是1吨。 这称可以说是precision不好。
- Zaffiri Precision Slide and Barrel - migunowners. org
Item reviewed: Zaffiri Precision Slide (RTS - G19 Gen 3 - ZPS 6 RMR, Flat Dark Earth) Zaffiri Precision threaded barrel, black nitride I got these from Zaffiri Precision as part of a package that included a P80 frame, parts kits for the slide and frame, a ZP magwell and fiber optic sights for $550 Pros: On initial inspection the parts looked
- Precision Rifle Series Rimfire, Holton, MI June 8
Precision Rifle Series is the fastest growing segment of the shooting community Holton Gun and Bow Club is on it's 2nd year of hosting matches precisionrifleseriesDOTcom, rimfire series, great lakes region Positional shooting at steel targets on the clock 10 stages, 90 second PAR times, 10+ rounds per stage
- precision 作形容词时和 precise 的用法区别？ - 知乎
回到题主的问题，precision 以类似上述的方式当做 “虚拟形容词”时，跟 precise “正身形容词” 有什么区别？ 上面截图中的广告 "precision tools" 就是一个常见的 precision 用来当修饰词的例子。 什么是 precision tools ？例如戴眼镜的人都知道眼镜框上的螺丝有时会松，需要经常用螺丝刀转紧，但是一般的
- DIY Tactical Precision Rifle Stock. . . . on a budget Part #1
Hi Guys, I put together a 3 part series on doing a DIY Tactical Precision rifle stock for a Remington 700 for under $300 This is going to be the first thread of the series
- Lee Precision Lee Precision 90937, Load Master Progressive Press Kit
Lee Precision Lee Precesion 90937, Load Master Progressive Press Kit Like new condition Comes with die sets for 380, 38 special, and 9mm $225 Text for pictures
- Red Dot For Rimfire Precision Bullseye - migunowners. org
Red Dot For Rimfire Precision Bullseye I have been shooting Rimfire precision bullseye for a couple of months now using my MK IV with a RMR red dot Most others are using the tube style red dots I think all of the top guy’s use the tube style sight So, I started doing a little research online and haven’t found any definitive answers
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