[R] Error in nls Error in if(any(start < low || start > upp)) {: missing value when TRUE/FALSE needed

[Peter Ehlers]

R_help Help wrote:
> Hi,
> 
> I got this error every time when I put upper and lower bound on my
> parameters in nls. I'm not quite sure what this error is about. I also
> wanted to find the content of nls_port_fit. But typing this directly
> into R doesn't seem to give any result out.
> 
> I also tried to see the content of  If anybody could shed some light
> I'd greatly appreciate. Thank you.
> 
> rc

Well, one might suspect that there's something wrong with the
way you're specifying 'start' and 'lower' and/or 'upper'.
But you're so secretive about what you're actually doing that
one can only speculate. At a minimum, you might indicate what
version of R you're using.

  -Peter Ehlers

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