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643124
2007 Oct 25
1
meaning of "trim" in mean()
(I see this in both R-patched r43124 and R-devel r43233.)
In the Argument section of ?mean:
trim the fraction (0 to 0.5) of observations to be trimmed from each
end of x before the mean is computed. Values outside that range are
taken as the nearest endpoint.
Then in the Value section:
If trim is non-zero, a symmetrically tri...