'integrate' does not allow parameter limits. For example, the limits of x is (z/y, Inf) while z and y are unkonwn.
On Fri, Apr 8, 2011 at 9:46 PM, Ravi Varadhan <rvarad...@jhmi.edu> wrote: > ?integrate > > ________________________________________ > From: r-help-boun...@r-project.org [r-help-boun...@r-project.org] On > Behalf Of cindy Guo [cindy.g...@gmail.com] > Sent: Friday, April 08, 2011 9:21 PM > To: r-help@r-project.org > Subject: [R] integration > > Hi, All, > > I have a density function with 3 variables which is defined on some > irregular domain, and I want to get the marginal distribution of each > variable. Is there any function doing this? > > A simple example is p(x,y,z)=x*y*z*I(xy>z). So each marginal distribution > is > a function of the other two variables. My density form is very complicated, > so I cannot do it by hand. I was just wondering if there is any function in > R for this? > > Thanks, > > Cindy > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
