[R] intigrate function and absolute error

[Ravi Varadhan]

You just need to extract the list component named "value":

I1$value

Ravi.
____________________________________________________________________

Ravi Varadhan, Ph.D.
Assistant Professor,
Division of Geriatric Medicine and Gerontology
School of Medicine
Johns Hopkins University

Ph. (410) 502-2619
email: rvaradhan at jhmi.edu


----- Original Message -----
From: Laila Alkhalfan <laila412 at gmail.com>
Date: Sunday, November 1, 2009 3:03 pm
Subject: [R] intigrate function and absolute error
To: r-help at r-project.org


> Hi
>  Can we get the result of an intigration without the absolute error?
> for example
> f1<-function(x1){(1/gamma(alpha))*x1^(alpha-1)*exp(-x1)*log(x1)}
> I1<-integrate(f1, 0, (max(cc)-tau1+(theta2/theta1)*tau1)/theta2)
> I1
> 0.08007414 with absolute error < 7.2e-05
>  I need the answer  0.08007414 withou the other part(with absolute error
> <7.2e-05)
> how can we do that?
> thank you and take care
> Laila
> 
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