Re: [R] Copula Regression

2016-02-29 Thread Janmaat, John
Economics (Unit 8), IK Barber School of Arts and Sciences The University of British Columbia University Way, Kelowna, BC -Original Message- From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Janmaat, John Sent: February-29-16 2:55 PM To: 'r-help@r-project.org'

[R] Copula Regression

2016-02-29 Thread Janmaat, John
Hello, I'm trying to figure out how to run copula regressions in R. I see a couple of packages that do specific versions, but I am hoping to be a bit more flexible. My specific problem involves two ordered regressions (four levels each) that may be correlated. Is there a package out there tha

[R] Heirarchical tree data structure

2010-03-26 Thread Janmaat, John
Hello, I'm modeling a watershed, and have a file linking individual tributaries - the name of each tributary and the water body into which it flows (which can be a tributary of another water body). I want to use this to build a tree data structure (a root, and then child nodes, linked to further

[R] Distance between lines

2010-03-22 Thread Janmaat, John
Hello, I'm trying to assess the similarity of two lines that are represented as points (output of differential equation solvers). Is there a function or a package that deals with things like this? Thanks, John. Johannus (John) Janmaat Ass

[R] GLS with nlme

2007-11-02 Thread Janmaat, John
Hello All, This is my third time attempting to post this message. I don't see it in the archive, so I'm guessing it is not getting through. If I am wrong, my apologies. I am trying to do a GLS regression, (X'V^-1X)^-1X'V^-1y, using the gls() function from the nlme package. I have the covarianc