Questions tagged [statistics]

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7个必威英雄联盟问题
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是什么意思,当一个模型”统计outp吗erforms” another?

我在阅读本文,他们都载明下列:我们也使用了T-测试来测试相比,图WaveNet GMAN在提前1个小时预测意义。p值小于0 ....
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64次

如何$ \ mathbb {E} $突然改变到$ \ mathbb {E} _ {\ PI'} $在这个等式?

In Sutton-Barto's book on page 63 (81 of the pdf): $$\mathbb{E}[R_{t+1} + \gamma v_\pi(S_{t+1}) \mid S_t=s,A_t=\pi'(s)] = \mathbb{E}_{\pi'}[R_{t+1} + \gamma v_\pi(S_{t+1}) \mid S_{t} = s]$$ How does $...
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41次

为什么是概率至少有一个假说出$ķ$是与$ M $的训练例子$ K(1 \小量)^ M $是否一致?

My question is actually related to the addition of probabilities. I am reading on computational learning theory from Tom Mitchell's machine learning book. In chapter 7, when proving the upper bound ...
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41次

什么是PAC学习和经典的参数估计定理之间的关系?

What are the differences and similarities between PAC learning and classic parameter estimation theorems (e.g. consistency results when estimating parameters, e.g. with MLE)?
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29views

是什么模型和数据分布之间的差异?

Is there any difference between the model distribution and data distribution, or are they the same?
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39次

Understanding V- and Q-functions

假定由以下组成的马尔可夫决策过程的存在:状态空间$ S $行动空间$ A $转移模型$ T:S \倍A \倍小号\到[0,1] $回报函数$ R:S \次甲\次小号\到\ ...
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44次

为什么是基于L2差异,而不是L1方差标准差

Standard deviation and variance are in statistics but the formula for variance is somehow related to the L1 and L2. Mathematically (L2 in machine learning sense), $$Variance = \dfrac{(X_1-Mean)^2+..+(...