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Nov
1
awarded  Nice Question
Sep
23
awarded  Supporter
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
@kwak: Where, for example, is p defined?
Sep
22
awarded  Scholar
Sep
22
accepted What is the definition of “best” as used in the term “best fit” and cross validation?
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
No worries. This is just reflection, not practical.
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
Now we are getting somewhere. en.wikipedia.org/wiki/Minimum_message_length seems to be what I was thinking. Thanks!
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
You understand the question. I'll follow the links.
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
@kwak: I'm sorry to say I haven't a clue what this means. What do the symbols p, q, lambda, x, y, m and beta signify?
Sep
22
revised What is the definition of “best” as used in the term “best fit” and cross validation?
Further rephrased question for clarity
Sep
22
revised What is the definition of “best” as used in the term “best fit” and cross validation?
Further rephrased question to clarify
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
@ebony: You are missing the point. I've rephrased the question to hopefully make it clearer
Sep
22
revised What is the definition of “best” as used in the term “best fit” and cross validation?
Refined phrasing in the light of what appears to be a misunderstanding
Sep
22
comment What is the definition of “best” as used in the term “best fit” and cross validation?
@Srikant I know all this. CV is a means for finding "best". What is the definition of "best"?
Sep
22
asked What is the definition of “best” as used in the term “best fit” and cross validation?
Sep
3
awarded  Commentator
Sep
3
comment Expected value of small sample
@Kingsford Thanks for your help and time.
Sep
2
comment Expected value of small sample
@Srikant It's the best "answer" I've got so far. I think I'll be trying it out because: 1. As currently stated Jorly's doesn't actually provide the ev, and there is no indication of how prior information is utilised. 2. Kingsford's answer could suffer convergence problems apparently, and there is a lot of work for me to figure out what it all means. 3. Simon's solution worked well for him, and I trust Simon. 4. I think in time I'll get a proof of his method 5. The method uses all the available data and is correct at the extrema when individual variance is small and large
Sep
2
comment Expected value of small sample
@Joris How do I calculate the ev from the CI? How does this approach make use of the prior information provided by the other products?
Sep
2
comment Expected value of small sample
@Kingsford What's worong with K = Vb/Va?