How can I solve this equation using the Fisher Information?

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The discussion centers on solving an equation related to Fisher Information, specifically involving the likelihood function f(X; r) of a sample X given a known value r. The participant clarifies that r with a dot above represents an unbiased estimator of r. The conclusion reached is that the equation was solved by referencing the topic of Fisher Information, indicating its relevance in statistical estimation.

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MythSquare
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Can someone explain to me this equation I stuck with. I can't get the right part of it.
http://img194.imageshack.us/img194/5840/ajhvekf.png
 
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r is a function or what?
 
ohh yes the main part...sry
f(X;r) is a likelihood function of sample X given known value r.
r with dot above is unbiased estimator of r

I think f is likelihood function of data set given value r.
 
Last edited:
r' is probably not a function of r.
 
Thx to all who have tried to help me with this.-)
I solved this equation.
I found the answer on the Fisher Information proving topic.
 

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