Hi R-users,
I wrote a code to evaluate double sum as follows:
ff2 <- function(bb,eta,z,k)
{ r <- length(z)
for (i in 1:r)
{ sm1 <-
sum((z[i]*bb/2)*(psigamma((0:k)+eta+1,deriv=0)/(factorial(0:k)*gamma((0:k)+eta+1))))
sm2 <- sum((besselI(z[i]*bb,eta)*log(z[i]*bb/2) - sm1)/besselI(z[i]*bb,eta))
sm2
}
ff2(bb,eta,z,10)
but it gave me the following message:
> source(.trPaths[5], echo=TRUE, max.deparse.length=10000)
Error in source(.trPaths[5], echo = TRUE, max.deparse.length = 10000) :
C:\Documents and Settings\zakry001\Application Data\Tinn-R\tmp\selection.r:
unexpected end of input at
9: )
> ff2(bb,eta,z,10)
Error in ff2(bb, eta, z, 10) : unused argument(s) (10)
>
Thank you so much for your time.
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