[R] How can I understand this sentence,and express it by means of Mathematical approach？
andy_liaw at merck.com
Mon Mar 8 15:48:32 CET 2010
If your ultimate interest is in real scientific progress, I'd suggest that you ignore that sentence (and any conclusion drawn subsequent to it).
> This topic refer to independent variables reduction, as we
> know ,a lot of
> method can do with it,however, for pre-processing independent
> varibles, a
> method like the sentence below can reduce many variable, How can I
> understand it?
> what is significant correlation at 5% level, what is the criterion？ P
> value？or what？
> "Independent variables whose correlation with the response
> variable was not
> significant at 5% level were removed"
> how can I calucate the correlation between them?
> thank you!
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> and provide commented, minimal, self-contained, reproducible code.
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