Yes, there are reasons for using the transformation frm z to r.
And, there are published tables of this. For example, Appendix Table
B.19 of Zar, Biostatistical Analysis, 4th ed., 1999.
Jerrold H. Zar, Professor
Department of Biological Sciences
Northern Illinois University
DeKalb, IL 60115
[EMAIL PROTECTED]
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>>> Will Hopkins <[EMAIL PROTECTED]> 04/09/01 04:29AM >>>
It's elementary algebra, Cherilyn. BTW, it's z = 0.5log..., not sqrt.
So r = (e^2z - 1)/(e^2z + 1).
Will
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