[Rd] nls function does not use subset argument (PR#9290)

[Peter Dalgaard]

tadakado at gmail.com writes:

> Full_Name: Tadashi Kadowaki
> Version: 2.4.0
> OS: Redhat Linux 9
> Submission from: (NULL) (58.12.166.67)
> 
> 
> Doesn't nls function support subset?  It seems not to work.
> And, there are no information in the online help.
> Has it sunk into oblivion?

Whatever gave you those ideas?

Yes, nls supports subset.
Yes, it does seem to work.
Yes, it is documented in the online help.
No, it has not sunk into anything.


> nls(density ~ SSlogis(log(conc), Asym, xmid, scal), DNase, subset=Run==1)
Nonlinear regression model
  model:  density ~ SSlogis(log(conc), Asym, xmid, scal)
   data:  DNase
    Asym     xmid     scal
2.345180 1.483090 1.041455
 residual sum-of-squares: 0.004789569


-- 
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  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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