[R] nls(() and trace

From: joerg van den hoff <j.van_den_hoff_at_fz-rossendorf.de>
Date: Wed 01 Jun 2005 - 19:53:51 EST


hi everybody,

is there a canonical way to get hold of the "trace=TRUE" output from nls, i.e. to copy it to a R variable (or at least to an external log file)?

I have only found the possibility to "fix(nlsModel)" (and than the correct copy of that: namespace function ...) within the R-session by modifying the trace() definition within nlsModel. not really good for everyday use ...

regards,
joerg

ps: if this comes to douglas bates' attention: would'nt it be helpful to add the trace output as a further component(possibly optitional, depending on the trace flag) to the nls-object returned by nls()?



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