Re: [R] Q about how to use Anova.mlm

2009-01-31 Thread pgseye
Thanks a lot John - appreciate your help. Regards, Paul -- View this message in context: http://www.nabble.com/Q-about-how-to-use-Anova.mlm-tp21739443p21757533.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org

Re: [R] Q about how to use Anova.mlm

2009-01-30 Thread John Fox
Dear Paul, -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of pgseye Sent: January-29-09 10:07 PM To: r-help@r-project.org Subject: Re: [R] Q about how to use Anova.mlm Thanks a lot for that John - really helpful. I

[R] Q about how to use Anova.mlm

2009-01-29 Thread pgseye
Hi, Am newish to stats and R, so I certainly appreciate any help. Basically I have 50 inidividuals whom I have 6 photos each of their optic nerve head. I want to check that the orientation of the nerve head is consistent, ie the 6 replicates show minimal or preferably no rotation differences.

Re: [R] Q about how to use Anova.mlm

2009-01-29 Thread John Fox
...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of pgseye Sent: January-29-09 7:40 PM To: r-help@r-project.org Subject: [R] Q about how to use Anova.mlm Hi, Am newish to stats and R, so I certainly appreciate any help. Basically I have 50 inidividuals whom I have 6 photos

Re: [R] Q about how to use Anova.mlm

2009-01-29 Thread John Fox
-project.org Subject: Re: [R] Q about how to use Anova.mlm Dear Paul, First, to fit a multivariate linear model to your data, you'll have to rearrange the data from long format (with one observation per replicate) to wide format (with one observation per subject). If your data are in the data

Re: [R] Q about how to use Anova.mlm

2009-01-29 Thread pgseye
Thanks a lot for that John - really helpful. I generated some random numbers and seem to be able to get it to work, so that's great. One thing - it's come up with a 'Type III' test and given me a few warnings. What's the difference between Type II and Type III tests (if there's some basic guide