[R] On nlm
Roger.Bivand at nhh.no
Mon Jan 6 10:00:03 CET 2003
On Mon, 6 Jan 2003, E. D. Isaia wrote:
> Dear all, I have to minimize a (real) function in a loop (say i in
> (1:1000)) and store its ``$estimate'', via
> into a vector for further analisys.
> Since the function's behaviour is quite peculiar (in the sense that in
> the simulation study it may not have a minumum), sometimes I get the the
> Error in nlm(minimo, c(-0.01, 0.1), check.analyticals = FALSE) :
> non-finite value supplied by nlm In addition: There were 50 or
> more warnings (use warnings() to see the first 50)
> and the cicle stops. How can I avoid this and tell R that if so then
> l2estim<-0, for example.
> Thanks to all, isaia.
try() will probably be the best way to handle this - see ?try
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