And that's really a placeholder for the comma-separated list of values that I put after those quotes.
这其中还有一个逗号分开的有值的占位符,我把它放到了引号之后。
But they're accountable and we can list all possible values when they're discrete and form a probability weighted average of the outcomes.
但随机变量是离散的话,我们可以把所有的可能值列出来,然后算出加权平均值
I think the easiest way to look at what this does, is let's take a really simple example- I want to make sure I put the right things out- I've got a simple little list of values there.
到底做了什么,就是让它跑一个简单的例子,我想要确信我找到了正确的元素-,这里我用一个简单的小的列表-,如果我去代码里面看。
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