[R] R² for non-linear model

[Joshua Wiley]

On Wed, Mar 16, 2011 at 10:54 AM, Bert Gunter <gunter.berton at gene.com> wrote:
> Is there any way that this could be made into a fortune -- perhaps by
> omitting the poster's identity?
>
> "yes there are threads concidering this topic but they are all about the
> theory not about how to get the value of r^2 for a non-linear model in R."

I second that.

(Are fortunes determined by voting?  There is precedence for seconding
desired fortunes at least)

Josh

>
> :=)
>
> Cheers,
> Bert
>
> Anna: I say this because you have just been told that the "theory"
> tells you that you CANNOT calculate R^2 for a nonlinear model.
>
>
> On Wed, Mar 16, 2011 at 10:25 AM, Anna Gretschel <ana-lee at web.de> wrote:
>> Am 16.03.2011 18:15, schrieb David Winsemius:
>>>
>>> On Mar 16, 2011, at 12:53 PM, Anna Gretschel wrote:
>>>
>>>> Dear List,
>>>>
>>>> how can I obtain the value of r suqared for a non-linear model? For
>>>> linear models it can be found in the summary() of the model but for
>>>> non-linear models I just don't know. Please help!
>>>
>>> You should do more searching. I can remember at least two threads in the
>>> last few years that discussed this issue.
>>>
>> yes there are threads concidering this topic but they are all about the
>> theory not about how to get the value of r^2 for a non-linear model in R.
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Bert Gunter
> Genentech Nonclinical Biostatistics
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.