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发帖数: 335 | | s*******r
发帖数: 181 | 2 For univariate, out of several SD (4, 5, or even 6) is outlier. For
multivariate, multi-dimension has to be considered. More importantly, you
can not simply delete outlier except you have strong reason to do so.
Normally, do analysis with and without outlier, and then compare to make
sure. |
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