[R] convolution of the double exponential distribution

From: Bickel, David <DAVID.BICKEL_at_pioneer.com>
Date: Fri 23 Dec 2005 - 11:56:18 EST

Is there any R function that computes the convolution of the double exponential distribution?

If not, is there a good way to integrate ((q+x)^n)*exp(-2x) over x from 0 to Inf for any value of q and for any positive integer n? I need to perform the integration within a function with q and n as arguments. The function integrate() is giving me this message:

"evaluation of function gave a result of wrong length"


David R. Bickel http://davidbickel.com
Research Scientist
Pioneer Hi-Bred International (DuPont)
Bioinformatics and Exploratory Research
7200 NW 62nd Ave.; PO Box 184
Johnston, IA 50131-0184
515-334-4739 Tel
515-334-4473 Fax
david.bickel@pioneer.com, bickel@prueba.info

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