R help - Nov 2012 - what is the cost in cv.glm?

Hi,

I have a question regarding the cv.glm function in the package boot. What is
exactly the cost? Is it the threshold value for an estimated value to be
classified as either 0 or 1? I have troubles understanding the explanation
in R. Lets say I want all estimations >0.65 to be classified as 1s and
<0.35
as 0s, how do I write that? And if the cost is something else, how do I set
the threshold value?

Thanks in advance!
Anna



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