[R] Defining an ex-gaussian PDF

Spencer Graves spencer.graves at pdf.com
Fri Sep 2 04:29:52 CEST 2005

	  1.  I just got 10 hits from 'RSiteSearch("convolution of exponential 
and normal")', at least two of which look like they might interest you.

	  2.  I similarly got 27 hits from 'RSiteSearch("convolution 
distribution")', several of which mention the "distr" package, which you 
might find useful.

	  3.  I doubt if this solves your problem, but I hope you find it 
useful.  If you have other questions for this list, I encourage you to 
PLEASE do read the posting guide! 
"http://www.R-project.org/posting-guide.html".  It can increase the 
chances that you will get a useful reply quickly.

	  spencer graves

Michael Kubovy wrote:

> How does one define PDFs as yet undefined in R, such as the ex- 
> gaussian, the sum of two RVs, one exponential, one Gaussian? The PDF  
> would then be the convolution of an exponential PDF, dexp(), and a  
> normal, dnorm().
> Kindly cc me in your reply to r-help.
> Thanks,
> _____________________________
> Professor Michael Kubovy
> University of Virginia
> Department of Psychology
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Spencer Graves, PhD
Senior Development Engineer
PDF Solutions, Inc.
333 West San Carlos Street Suite 700
San Jose, CA 95110, USA

spencer.graves at pdf.com
www.pdf.com <http://www.pdf.com>
Tel:  408-938-4420
Fax: 408-280-7915

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