Hello,
Can anyone give me some suggestion in term of calculating the sum below.
Is there a function in R that can help doing it faster?
x1, x2, ...xn where xi can be 0 or 1. I want to calculate the following:
sum{ beta[a+sum(xi), b+n-sum(xi) ]* [ (1-x1)dnorm(0,1)+x1dnorm(2,1) ]* [
(1-x2)dnorm(0,1)+x2dnorm(2,1) ]* ...* [ (1-xn)dnorm(0,1)+xndnorm(2,1) ] }
The sum in the beginning is over all 2^n possible values for the vector x1,
x2, ...xn .
Thank you very much!
Hannah
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