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Scouse
Level III

DTI analysis - what do rate and prob actually mean

Hello,

 

Could someone please explain or show me where I could find what rate and prob mean in this DTI, please?

I have attached a screenshot of the DTI.

 

Thanks in advance

1 ACCEPTED SOLUTION

Accepted Solutions
Scouse
Level III

Re: DTI analysis - what do rate and prob actually mean

Byron_JMP,

 

Thanks very much for your reply!

 

BW,

 

S

View solution in original post

2 REPLIES 2
Byron_JMP
Staff

Re: DTI analysis - what do rate and prob actually mean

Partition actually has two rates; one used for training that is the usual ratio of count to total, and another that is slightly biased away from zero. By never having attributed probabilities of zero, this allows logs of probabilities to be calculated on validation or excluded sets of data, used in Entropy R-Square.

https://www.jmp.com/support/help/en/17.0/#page/jmp/statistical-details-for-the-splitting-criterion.s...

 

 

In the Partition platform, for categorical responses, Rate is the same as "Prob" in the Distribution Platform, and "Prob" is a slightly biased weight.

Byron_JMP_0-1669129615061.png

This is definately confusing.

JMP Systems Engineer, Health and Life Sciences (Pharma)
Scouse
Level III

Re: DTI analysis - what do rate and prob actually mean

Byron_JMP,

 

Thanks very much for your reply!

 

BW,

 

S