I followed Nick Cox's advice from here (How to transform leptokurtic distribution to normality?) and used "sign(.) * abs(.)^(1/3)" as suggested. It worked for me and I was wondering if anyone has a published reference for this formula? or if you could point me in the right direction?

I followed Nick Cox's advice from here (How to transform leptokurtic distribution to normality?) and used "sign(.) * abs(.)^(1/3)" as suggested. It worked for me and I was wondering if anyone has a published reference for this formula? or if you could point me in the right direction?

I followed Nick Cox's advice from here (How to transform leptokurtic distribution to normality?) and used "sign(.) * abs(.)^(1/3)" as suggested. It worked for me and I was wondering if anyone has a published reference for this formula? or if you could point me in the right direction?

Thanks

-Sonia

I followed Nick Cox's advice from here (How to transform leptokurtic distribution to normality?) and used "sign(.) * abs(.)^(1/3)" as suggested. It worked for me and I was wondering if anyone has a published reference for this formula? or if you could point me in the right direction?