Re: [R] arg min ???

2009-11-26 Thread Peterko
Petr that is what i was looking for. Thanks p.s. ak si nahodou z Prahy mas u mna Pivo Petr Pikal wrote: Hi r-help-boun...@r-project.org napsal dne 25.11.2009 16:50:49: This is nice, but i have to define vector of possible theta, this is not what i want to do. I have vector of

[R] arg min ???

2009-11-25 Thread Peterko
Is there function what aproximate vector of parameters some function to minimum ? tet={tet1,tet2} i have they starting value and i want to find the tet what minimalizing some function of tet ? thanks -- View this message in context:

Re: [R] arg min ???

2009-11-25 Thread David Winsemius
On Nov 25, 2009, at 9:15 AM, Peterko wrote: Is there function what aproximate vector of parameters some function to minimum ? tet={tet1,tet2} i have they starting value and i want to find the tet what minimalizing some function of tet ? ?which.min Perhaps: which.min( fn(tet) )

Re: [R] arg min ???

2009-11-25 Thread Peterko
This is nice, but i have to define vector of possible theta, this is not what i want to do. I have vector of unknow parameters theta. I have som estimate of theta, but i want to do better estimate of them, using some criterion function. I mean it is clasical argmin f(x_1,x_2,...x_n) to fit

Re: [R] arg min ???

2009-11-25 Thread Petr PIKAL
Hi r-help-boun...@r-project.org napsal dne 25.11.2009 16:50:49: This is nice, but i have to define vector of possible theta, this is not what i want to do. I have vector of unknow parameters theta. I have som estimate of theta, but i want to do better estimate of them, using some