[R] McFadden Pseudo R2 with positive Likelihood??

Hi I'm calculating McFaddens pseudo R2 (1- (Lmodel/L0)) for some models, and i ran into a model where the model of interest has a positive likelihood, while the null has a negative. This of course results in odd values. I searched the list, but find no help. Can anyone provide insight? Thanks K

Re: [R] need help with errors in betareg analysis

s going negative just as you suggested. So are the results wonky if phi is negative? Ben Bolker wrote: > > knussear mac.com> writes: > >> >> >> Hi >> >> I'm trying to fit a model in betareg and I'm getting errors, but have no >> ide

[R] need help with errors in betareg analysis

Hi I'm trying to fit a model in betareg and I'm getting errors, but have no idea what they mean or how to solve them. Does anyone have experience with this? > model <- betareg(ACT ~ ST*SoilT, data = actDL_F) Warning messages: 1: In sqrt(W) : NaNs produced 2: In sqrt(W) : NaNs produced 3: In sqrt

[R] Nested Clade Analysis

Hi Wondering if anyone knows of a package that does Nested Clade Analysis? Thanks -- View this message in context: http://www.nabble.com/Nested-Clade-Analysis-tp20637180p20637180.html Sent from the R help mailing list archive at Nabble.com. __ R-hel

Re: [R] Create pairwise table from columns?

Phone: +61 7 3286 7700 > mailto:[EMAIL PROTECTED] > http://www.cmis.csiro.au/bill.venables/ > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of knussear > Sent: Saturday, 10 May 2008 10:18 AM > To: r-help@r-p

[R] Create pairwise table from columns?

Hi Group I have a large data set of individual pairwise values (250,000 rows) that I need to reshape into a pairwise matrix for mantel tests of these values versus genetic distances. the data are currently in columns formatted like so AnimalA, AnimalB, Score A1, A2, S1 A1, A3, S2 A1, A4, S3 A2,

Re: [R] Quick question: Does this graph have a name?

I have always heard this referred to as a stack bar graph. Ken mika03 wrote: > > http://www.nabble.com/file/p16349649/at-length.png > > Hi, > > I produced this graph with R and I am very happy with it. But now I > wonder: Is this some standard way of displaying data and if so, does it > ha

Re: [R] R.app "incompatable" with Emacs

You can use TextWrangler to quickly change the eol characters used. Ken Fredrik Lundgren-2 wrote: > > Dear R-users on the Mac, > > With Leopard 10.5.2, R.app GUI 1.23, and Emacs 22.1.1 (i386-apple- > darwin9, Carbon Version 1.6.0) > I've got the following problem. When editing foo.R in R.app