Questions tagged «random-vector»

3
居中意味着减少协方差吗?
假设我有两个非独立的随机变量,并且想在不损失过多“信号”的情况下尽可能减小它们之间的协方差,这是否意味着居中?我在某处读到,意思是居中将相关性降低了一个重要因素,所以我认为对协方差也应如此。
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