inquire a statistical terms

??
A confidence region for what? Confidence regions refer to parameters
and functions of parameters (e.g. means of fitted values) and are
completely incommensurate with the scale of the data. It sounds like
you are confusing basic concepts (i.e. you don't really understand
what a confidence region is), a common but severe error made by those
with inadequate statistical knowledge.

Of course, maybe you do have something in mind that makes sense; but
then you need to clarify.

And as this has nothing to do with R, you should not post further on
this list. Try stats.stackexchange.com instead.

-- Bert

Dear all,

Is there any standard statistical terminology describing the points beyond
a confidence region? Obviously, the "outlier" is improper here. Please help
me if you happens have the info.

Thanks you very much for your kindly help.

Best wishes,

Zhiqiu

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