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smsq
2006 Mar 14
2
problem with optim: (list) object cannot be coerced to 'double'
Hi,
I am trying to use optim to solve a heavy calibration problem. I supply
the parameters in vector form. But before entering my target
The call is simply:
optim(par = parameters, fn = SumLSQ, method = "Nelder-Mead")
the function SumLSQ is simply:
SumLSQ<-function(parameters, data = timeseries){
print("sumLSQ")
nbseries = dim(timeseries)[2]/3
SumLSQ = 0
for (i in (1:nbseries)){
SumLSQ = SumLSQ +
L...