Re: [R] cca with repeated measures

2011-11-19 Thread René Mayer
Thanks again Gavin!, this is very clear and enlightening, vegan is an amazing package! It's a pleasure to use it. the best, René -- Dr. René Mayer Email: ma...@psychologie.tu-dresden.de Research Assistant Phone: +49-351-463-34568 Department of Psychology

Re: [R] cca with repeated measures

2011-11-18 Thread Gavin Simpson
On Fri, 2011-11-18 at 15:17 +0100, René Mayer wrote: > Thanks a lot Gavin!, > this was what I was looking for. > Have I got this right that with no 'cyclic shifts *within* strata' you > mean that I cannot define a nesting within animal, e.g., > animal/year/season (speaking in regression-terms

Re: [R] cca with repeated measures

2011-11-18 Thread René Mayer
Thanks a lot Gavin!, this was what I was looking for. Have I got this right that with no 'cyclic shifts *within* strata' you mean that I cannot define a nesting within animal, e.g., animal/year/season (speaking in regression-terms random-effects for the animal-specific season and year varia

Re: [R] cca with repeated measures

2011-11-18 Thread Gavin Simpson
On Fri, 2011-11-18 at 10:25 +0100, René Mayer wrote: > Dear all, > How can I run a constrained correspondence analysis with > the following data: > 15 animals were measured repeatedly month-wise (over to 2 years) > according to ther diet composition (8 food categories). > > our data.frame looks

[R] cca with repeated measures

2011-11-18 Thread René Mayer
Dear all, How can I run a constrained correspondence analysis with the following data: 15 animals were measured repeatedly month-wise (over to 2 years) according to ther diet composition (8 food categories). our data.frame looks like this: food 1 2 ... 8 sex season year animal freq 12 8 ...