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ChernoffTurtle7
Level III

How to understand Lambda1 and Lambda2 for Box Cox transformation ?

What do Lambda1 and Lambda2 mean when specify parameters for Box Cox transformation? How to specify them?

I have searched Box Cox formula in Help. It has only one Lambda parameter in formula. So I'm confusing.

Thank you!

 

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ChernoffTurtle7_1-1679386987715.png

ChernoffTurtle7_2-1679387045357.png

 

 

1 ACCEPTED SOLUTION

Accepted Solutions
MRB3855
Super User

Re: How to understand Lambda1 and Lambda2 for Box Cox transformation ?

JMP's Box-Cox function (as opposed to the B-C transformation in linear models, as you show above) is based on the following. 

https://en.wikipedia.org/wiki/Power_transform.

MRB3855_0-1679394548442.png

 

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2 REPLIES 2
MRB3855
Super User

Re: How to understand Lambda1 and Lambda2 for Box Cox transformation ?

JMP's Box-Cox function (as opposed to the B-C transformation in linear models, as you show above) is based on the following. 

https://en.wikipedia.org/wiki/Power_transform.

MRB3855_0-1679394548442.png

 

ChernoffTurtle7
Level III

Re: How to understand Lambda1 and Lambda2 for Box Cox transformation ?

Thank you!

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