Thanks Rui, i already tried changin the reltol, but it didn't change the
outcome


On Wed, May 15, 2013 at 1:32 PM, Rui Barradas <ruipbarradas@sapo.pt> wrote:

> Hello,
>
> It's impossible to tell what is happening without the function and the
> values for the other variables (including the initial parameters) but your
> setting of reltol is too small. Try using the default. It's
> sqrt(.Machine$double.eps), about 1e-8, you are using 1e-16.
>
> Hope this helps,
>
> Rui Barradas
>
> Em 15-05-2013 17:02, Luis Felipe Parra escreveu:
>
>> Hello to all,
>>
>> I have been using an optim with the following call:
>>
>> optim(param_ini,fun_errores2,**Precio_mercado=Precio,anos_**
>> pagosE2=anos_pagos,control=**list(maxit=10000,reltol=1e-16)**)
>>
>> depending on the intial values I'm getting the same solution but once I
>> get
>> the convergence message=10 (no convergence) and  for the others I get
>> convergence message = 0
>>
>> Solution1:
>> $par
>>             beta1       beta2      beta3 lambda
>> beta1 0.06537061 0.001474821 -0.0759236    0.5
>>
>> $e2
>> [1] 74.84273
>>
>> $conv
>> [1] 0
>>
>> $v
>> [1] 74.84273
>>
>> Solution2:
>> $par
>>         beta1       beta2      beta3 lambda
>> 1 0.06537061 0.001474822 -0.0759236    0.5
>>
>> $e2
>> [1] 74.84273
>>
>> $conv
>> [1] 10
>>
>> $v
>> [1] 74.84273
>>
>> My intuition tells me the correct solution is no convergence. Does anybody
>> know why this might be happening.
>>
>> Thank you
>>
>> Felipe Parra
>>
>>         [[alternative HTML version deleted]]
>>
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>>
>>


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