[R] tol in prcomp

[nmend]

Hi there,

I was wondering if anyone could explain how you should set tol in the prcomp
function.  

Using help(prcomp) explains it as "a value indicating the magnitude below
which components should be omitted. (Components are omitted if their
standard deviations are less than or equal to tol times the standard
deviation of the first component.) With the default null setting, no
components are omitted."

If anyone could give me some more information that would be greatly
appreciated.

Also, I am new to this site and tried searching but couldn't find anything
specifically relating to tol.

Thank you. 



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