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https://stats.stackexchange.com/questions/66775/attainable-correlations-for-exponential-random-variables
参考上面的链接,我想问一下是否不可能生成两个相关性为 -1 的指数分布?
没错,不可能生成两个相关性为 -1 的指数。基本上,这是因为平均值周围的不对称性。