Displaying 3 results from an estimated 3 matches for "modani".
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madani
2008 Apr 22
4
how to convert non numeric data into numeric?
I am having the following error in my function
function(theta,reqdIRR)
{
theta1<-theta[1]
theta2<-theta[2]
n<-length(reqdIRR)
constant<- n*(theta1+theta2)
sum1<-lapply(reqdIRR*exp(theta1),FUN = sum)
sum2<-lapply(exp(theta2 - reqdIRR*exp(theta1)),FUN = sum)
sum = sum1 + sum2
log.fcn = constant - as.numeric(sum)
result = - log.fcn
return(result)
}
*error :
2008 Apr 26
1
How to use the optim function if the length of the objective function is greater than 1?
Hi,
Please help me out with this.Im a new user of R.
Thanks
[[alternative HTML version deleted]]
2008 May 09
0
Log likelihood estimation using bivariate archimedean copula
...s to estimate all the
parameters.How shall I define my log-likelihood function?
I am attaching a file which has the CDFs and other functions i've built.
Any help would be highly appreciated.I hope I am able to convey what
my problem is.If not,I apologise as Im a new user of R.
Regards,
Kakul Modani