Re: [R] Incidence Function Model in R help

2009-07-06 Thread David Winsemius
It appears to me that you really have no idea what the original author was doing. I honestly don't either. I never used the sweep operator and I don't know what his "S"'s represent. I do understand what offsets represent in the context of glm(), and this set of operations does not fit my

Re: [R] Incidence Function Model in R help

2009-07-06 Thread David Winsemius
On Jul 5, 2009, at 5:15 PM, sjkimble wrote: R Help: When I look at the object S, I see about half of them are zeroes. I've address the object S being zero so often by changing the value of alpha, which I'm allowed to do according to the author. All values of S are non zero and should n

Re: [R] Incidence Function Model in R help

2009-07-06 Thread David Winsemius
On Jul 5, 2009, at 5:15 PM, sjkimble wrote: R Help: When I look at the object S, I see about half of them are zeroes. I've address the object S being zero so often by changing the value of alpha, which I'm allowed to do according to the author. All values of S are non zero and should n

Re: [R] Incidence Function Model in R help

2009-07-06 Thread sjkimble
R Help: > >When I look at the object S, I see about half of them are >zeroes. I've address the object S being zero so often by changing the value of alpha, which I'm allowed to do according to the author. All values of S are non zero and should not give Inf. >The "expectation" of a binomial m

Re: [R] Incidence Function Model in R help

2009-07-04 Thread David Winsemius
On Jul 4, 2009, at 6:15 PM, sjkimble wrote: R Help: Another question: My data are: x.crd y.crd A p 1 361762 1034052 3.414 0 2 361763 1034071 94.169 0 3 370325 1027277 127.642 1 4 370416 1027166 127.961 0 5 370471 10271481804.846 1 6 369050 1031312

Re: [R] Incidence Function Model in R help

2009-07-04 Thread sjkimble
R Help: Another question: My data are: x.crd y.crd A p 1 361762 1034052 3.414 0 2 361763 1034071 94.169 0 3 370325 1027277 127.642 1 4 370416 1027166 127.961 0 5 370471 10271481804.846 1 6 369050 10313121790.493 0 7 370799 1026557 103.994 0

Re: [R] Incidence Function Model in R help

2009-06-21 Thread David Winsemius
On Jun 21, 2009, at 2:47 PM, steve kimble wrote: All: Though I am fairly new to R, I am trying to work my way through J Oksanen's "Incidence Function Model in R" and can't get past some error with my glm arguments. I'm getting through attach(amphimedon_compressa) plot(x.crd,y.crd,asp=1,