: Thursday, August 12, 2010 9:23 pm
Subject: Re: [R] Need help to understand integrate function
To: Ravi Varadhan
Cc: r-help@r-project.org
> Hi Ravi - Thank you. I'm wondering how the magic happens here with
> options(digits=10)? And the most important point, I do not quite
>
(410) 502-2619
> email: rvarad...@jhmi.edu
>
>
> - Original Message -----
> From: R_help Help
> Date: Wednesday, August 11, 2010 9:44 pm
> Subject: [R] Need help to understand integrate function
> To: r-help@r-project.org
>
>
>> Hi,
>>
>> I'm running i
Assistant Professor,
Division of Geriatric Medicine and Gerontology
School of Medicine
Johns Hopkins University
Ph. (410) 502-2619
email: rvarad...@jhmi.edu
- Original Message -
From: R_help Help
Date: Wednesday, August 11, 2010 9:44 pm
Subject: [R] Need help to understand integrate funct
Hi,
I'm running into a wall when trying to use the integrate function. I
have the following setting:
powerLaw2 <- function(x,l1,l2,c0,t0) {
idx <- which(x <= 0);
if (length(idx) > 0) {
x[idx] <- 0;
}
xl <- (-l1+l2)*log(x/t0);
L <- log(c0)-l1*log(x)-log(1+exp(xl));
L <- e
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