Hi R-helpers,

Is there any packages can do "*zeta-squared transformation*"?

The Zeta-squared transformation comes from the following article:
Standardizing Variables in Multiplicative Choice Models
Lee G. Cooper and Masao Nakanishi
Journal of Consumer Research, Vol. 10, No. 1 (Jun., 1983), pp. 96-108

Thanks for any help in advance.

miles
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Miles Yang
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E-mail：miles2yang@gmail.com
Web: Miles Yang Website <https://sites.google.com/site/miles2yang/>
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