[R] Anyone know a forum for stats advice?

2011-03-04 Thread Clare Embling
Hi, I know this forum is for R-related issues, but the question I have is a statistical question & I was wondering if anyone could recommend a good statistics forum where I can ask the question? My question is relating to bootstrapping of binary data (ecology data) - I can give more detail, bu

Re: [R] GLM, how to get an R2 to explain how much of data explained by one variable

2011-02-25 Thread Clare Embling
Hi Celine, GLM outputs usually give the null deviance and residual deviance in the summary() term - so you can work out % deviance explained for a variable/model from this. Hope this helps. Best wishes, Clare Dr Clare B Embling Visiting Research Fellow Marine Inst

Re: [R] Circular variables within a GLM, GLM-GEE or GAM

2011-01-21 Thread Clare Embling
thing functions as you suggested. Best wishes & thanks, Clare From: Simon Wood [s.w...@bath.ac.uk] Sent: 18 January 2011 17:58 To: r-help@r-project.org Cc: Clare Embling Subject: Re: [R] Circular variables within a GLM, GLM-GEE or GAM Is the varia

[R] Circular variables within a GLM, GLM-GEE or GAM

2011-01-18 Thread Clare Embling
Hi, I have a variable (current speed direction) which is circular (0=360 degrees), and I'd like my GLM to include the variable as a circular variable. Can I do this? And what is the code? I'm actually doing a GLM-GEE using the 'geepack' package, so want to use it in that, but also interested