每次抽样生成自助样本集，全体样本中不在自助样本中的 剩余样本称为袋外数据（Out-Of-Bag，OOB），每次抽样后大约 剩余 1／3的样本，OOB数据被用来预测分类正确率，每次的预 测结果进行汇总来得到...
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Cat out of the bag 泄漏秘密 ; 真相大白
out-of-bag estimate 包外估计
out of the bag 包的外面
Out-of-the-bag 囊袋外
get out of the bag 从袋子里出来
I wanted it to be a surprise, but my sister let the cat out of the bag.
我想给大家来个惊奇，可我妹妹却先说漏了嘴。
《牛津词典》
One day, he walked out of the house with a small bag and never came back.
一天，他带了个小提包走出家门，再也没有回来。
She dived into her bag and took out a couple of coins.
她立即将手伸进包里拿出几枚硬币。
Another widely-used expression is to let the cat out of the bag.
VOA: special.2011.05.22
What's it like to step out of jail with that black bin-bag full of your belongings?
BBC: Breakfast with Frost
Now finally, as Japan applies to join the so-called Trans-Pacific Partnership (TPP), the cat is out of the bag.
FORBES: You Believed All Those Wall Street Journal Op-Eds? Now Read This
Zimmerman become a focus of intense national attention this year after he fatally shot the unarmed African-American teenager who had gone out to buy a bag of Skittles and an Arizona iced tea at a 7-Eleven in Sanford, Florida.
CNN: Attorney: Zimmerman's bail request delayed
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