Message-ID: <F212795F-E26C-4B28-9D5F-00C023E467BE@comcast.net>
Date: 2012-11-11T07:54:46Z
From: David Winsemius
Subject: Plotting the regression curve with its confidence interval
In-Reply-To: <1352620082.102003968@f315.mail.ru>
On Nov 10, 2012, at 11:48 PM, ?????? ????? wrote:
> Yes, but it says that arguments, that could help me, now isn't implemented.
I think the authors might have had their reasons for leaving it out. There have been quite a few threads ofver the years discussing why it is not a straightforward task to define a confidence interval. Do you have a particular approach that is acceptable in your domain of investigation?
>
>
>> Hello.
>>
>> How can I plot the regression curve with its confidence interval?
>> I use nls(y~a*x^b), then plot(x,y), add curve with lines(x,predict(nls(y~a*x^b))). But I can't add to plot CI for my curve.
>
>> Have your read:
>>
>> ?predict.nls # ?
>>
>> David Winsemius, MD
>> Alameda, CA, USA
David Winsemius, MD
Alameda, CA, USA