search for: ledeganckstraat

Displaying 2 results from an estimated 2 matches for "ledeganckstraat".

2008 Feb 14
1
Cholmod error `matrix not positive definite'
...totmas or vitality don't give any problem when I build the exact same models in SAS with proc glimmix... Does someone have experience with this type of problem? Thank you in advance, Martijn. -- Martijn Vandegehuchte Ghent University Department Biology Terrestrial Ecology Unit K.L.Ledeganckstraat 35 B-9000 Ghent telephone: +32 (0)9/264 50 84 e-mail: martijn.vandegehuchte@ugent.be website TEREC: www.ecology.ugent.be/terec [[alternative HTML version deleted]]
2008 Feb 20
1
p-value for fixed effect in generalized linear mixed model
...ect on "aphids", then why the above mentionned p-value generated by anova in R? Can anyone explain this? Please find the dataset in the attachment. Many thanks beforehand, Martijn. -- Martijn Vandegehuchte Ghent University Department Biology Terrestrial Ecology Unit K.L.Ledeganckstraat 35 B-9000 Ghent telephone: +32 (0)9/264 50 84 e-mail: martijn.vandegehuchte at ugent.be website TEREC: www.ecology.ugent.be/terec -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: aphids.txt Url: https://stat.ethz.ch/pipermail/r-help/attachmen...