[R-meta] Question on Fisher's z possible range of values

[Michael Dewey]

Dear Gabriel

It might help get better answers if you said why you want to know and 
why experimenting with extreme values of r has not enlightened you. In 
principle z takes on any value on the real line although you would need 
an r very, very, very close to 1 to get anywhere near infinity.

Michael

On 24/08/2023 14:48, Gabriel Cotlier via R-sig-meta-analysis wrote:
> Hello all,
> 
> I would like to ask what is the theoretical possible range for Fisher's z
> correlation coefficient --output of the conversion from Pearson's
> product-moment correlation coefficient ( *r* )-- determined by means of the
> "Metafor package function escalc() as follows:
> 
> ## Transformation of Pearson's Product-moment correlation coefficients (r)
> to Fisher's Z
> dat <-escalc(measure = "ZCOR",
>               ri = ri,
>               ni = ni,
>               data = dat)
> 
> Thanks a lot for your help.
> Kind regards,
> Gabriel
> 
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> 
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-- 
Michael
http://www.dewey.myzen.co.uk/home.html