Re: [R] E(1/(X+c)) ? where X ~ Chi-square(n) and c is a constant.

From: MARK LEEDS <markleeds_at_verizon.net>
Date: Tue 16 May 2006 - 04:59:02 EST

i don't know it off the top of my head but there's a relation between powers of the chi squared and the gamma dsitribution. check it out in casella and berger or arnold.

                                                                             
                        mark


> Hi all,
>
> Can someone help me with the following expectation in a closed form?
>
> E(1/(X+c))
>
> where X ~ Chi-square(n) and c is a constant.
>
> Thanks.
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue May 16 05:05:21 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Fri 19 May 2006 - 14:10:11 EST.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.